717 lines
26 KiB
Plaintext
717 lines
26 KiB
Plaintext
error: unnecessary structure name repetition
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--> $DIR/methods.rs:18:25
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18 | fn add(self, other: T) -> T { self }
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| ^ help: use the applicable keyword: `Self`
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= note: `-D use-self` implied by `-D warnings`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:18:31
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18 | fn add(self, other: T) -> T { self }
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| ^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:21:26
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21 | fn sub(&self, other: T) -> &T { self } // no error, self is a ref
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| ^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:21:33
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21 | fn sub(&self, other: T) -> &T { self } // no error, self is a ref
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| ^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:22:21
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22 | fn div(self) -> T { self } // no error, different #arguments
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| ^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:23:25
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23 | fn rem(self, other: T) { } // no error, wrong return type
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| ^ help: use the applicable keyword: `Self`
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error: defining a method called `add` on this type; consider implementing the `std::ops::Add` trait or choosing a less ambiguous name
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--> $DIR/methods.rs:18:5
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18 | fn add(self, other: T) -> T { self }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D should-implement-trait` implied by `-D warnings`
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error: defining a method called `drop` on this type; consider implementing the `std::ops::Drop` trait or choosing a less ambiguous name
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--> $DIR/methods.rs:19:5
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19 | fn drop(&mut self) { }
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| ^^^^^^^^^^^^^^^^^^^^^^
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error: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
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--> $DIR/methods.rs:26:17
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26 | fn into_u16(&self) -> u16 { 0 }
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| ^^^^^
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= note: `-D wrong-self-convention` implied by `-D warnings`
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error: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
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--> $DIR/methods.rs:28:21
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28 | fn to_something(self) -> u32 { 0 }
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| ^^^^
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error: methods called `new` usually take no self; consider choosing a less ambiguous name
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--> $DIR/methods.rs:30:12
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30 | fn new(self) {}
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| ^^^^
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error: methods called `new` usually return `Self`
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--> $DIR/methods.rs:30:5
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30 | fn new(self) {}
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| ^^^^^^^^^^^^^^^
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= note: `-D new-ret-no-self` implied by `-D warnings`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:74:24
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74 | fn new() -> Option<V<T>> { None }
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| ^^^^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:78:19
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78 | type Output = T;
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| ^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:79:25
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79 | fn mul(self, other: T) -> T { self } // no error, obviously
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| ^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:79:31
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79 | fn mul(self, other: T) -> T { self } // no error, obviously
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| ^ help: use the applicable keyword: `Self`
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error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
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--> $DIR/methods.rs:97:13
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97 | let _ = opt.map(|x| x + 1)
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| _____________^
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98 | |
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99 | | .unwrap_or(0); // should lint even though this call is on a separate line
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| |____________________________^
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= note: `-D option-map-unwrap-or` implied by `-D warnings`
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= note: replace `map(|x| x + 1).unwrap_or(0)` with `map_or(0, |x| x + 1)`
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error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
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--> $DIR/methods.rs:101:13
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101 | let _ = opt.map(|x| {
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| _____________^
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102 | | x + 1
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103 | | }
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104 | | ).unwrap_or(0);
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| |____________________________^
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error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead
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--> $DIR/methods.rs:105:13
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105 | let _ = opt.map(|x| x + 1)
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| _____________^
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106 | | .unwrap_or({
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107 | | 0
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108 | | });
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| |__________________^
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error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead
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--> $DIR/methods.rs:114:13
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114 | let _ = opt.map(|x| x + 1)
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| _____________^
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115 | |
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116 | | .unwrap_or_else(|| 0); // should lint even though this call is on a separate line
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| |____________________________________^
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= note: `-D option-map-unwrap-or-else` implied by `-D warnings`
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= note: replace `map(|x| x + 1).unwrap_or_else(|| 0)` with `map_or_else(|| 0, |x| x + 1)`
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error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead
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--> $DIR/methods.rs:118:13
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118 | let _ = opt.map(|x| {
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| _____________^
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119 | | x + 1
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120 | | }
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121 | | ).unwrap_or_else(|| 0);
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| |____________________________________^
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error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead
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--> $DIR/methods.rs:122:13
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122 | let _ = opt.map(|x| x + 1)
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123 | | .unwrap_or_else(||
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124 | | 0
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125 | | );
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| |_________________^
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:151:24
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151 | fn filter(self) -> IteratorFalsePositives {
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| ^^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:155:22
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155 | fn next(self) -> IteratorFalsePositives {
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| ^^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self`
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:175:32
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175 | fn skip(self, _: usize) -> IteratorFalsePositives {
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| ^^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self`
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error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
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--> $DIR/methods.rs:194:13
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194 | let _ = v.iter().filter(|&x| *x < 0).next();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D filter-next` implied by `-D warnings`
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= note: replace `filter(|&x| *x < 0).next()` with `find(|&x| *x < 0)`
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error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
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--> $DIR/methods.rs:197:13
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197 | let _ = v.iter().filter(|&x| {
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198 | | *x < 0
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199 | | }
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200 | | ).next();
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| |___________________________^
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error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
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--> $DIR/methods.rs:212:13
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212 | let _ = v.iter().find(|&x| *x < 0).is_some();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D search-is-some` implied by `-D warnings`
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= note: replace `find(|&x| *x < 0).is_some()` with `any(|&x| *x < 0)`
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error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
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--> $DIR/methods.rs:215:13
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215 | let _ = v.iter().find(|&x| {
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| _____________^
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216 | | *x < 0
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217 | | }
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218 | | ).is_some();
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| |______________________________^
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error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`.
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--> $DIR/methods.rs:221:13
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221 | let _ = v.iter().position(|&x| x < 0).is_some();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: replace `position(|&x| x < 0).is_some()` with `any(|&x| x < 0)`
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error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`.
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--> $DIR/methods.rs:224:13
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224 | let _ = v.iter().position(|&x| {
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225 | | x < 0
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226 | | }
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227 | | ).is_some();
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| |______________________________^
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error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`.
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--> $DIR/methods.rs:230:13
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230 | let _ = v.iter().rposition(|&x| x < 0).is_some();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: replace `rposition(|&x| x < 0).is_some()` with `any(|&x| x < 0)`
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error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`.
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--> $DIR/methods.rs:233:13
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233 | let _ = v.iter().rposition(|&x| {
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| _____________^
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234 | | x < 0
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235 | | }
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236 | | ).is_some();
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| |______________________________^
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error: unnecessary structure name repetition
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--> $DIR/methods.rs:250:21
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250 | fn new() -> Foo { Foo }
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| ^^^ help: use the applicable keyword: `Self`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:268:5
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268 | with_constructor.unwrap_or(make());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_constructor.unwrap_or_else(make)`
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= note: `-D or-fun-call` implied by `-D warnings`
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error: use of `unwrap_or` followed by a call to `new`
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--> $DIR/methods.rs:271:5
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271 | with_new.unwrap_or(Vec::new());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_new.unwrap_or_default()`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:274:5
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274 | with_const_args.unwrap_or(Vec::with_capacity(12));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_const_args.unwrap_or_else(|| Vec::with_capacity(12))`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:277:5
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277 | with_err.unwrap_or(make());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_err.unwrap_or_else(|_| make())`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:280:5
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280 | with_err_args.unwrap_or(Vec::with_capacity(12));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_err_args.unwrap_or_else(|_| Vec::with_capacity(12))`
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error: use of `unwrap_or` followed by a call to `default`
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--> $DIR/methods.rs:283:5
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283 | with_default_trait.unwrap_or(Default::default());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_default_trait.unwrap_or_default()`
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error: use of `unwrap_or` followed by a call to `default`
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--> $DIR/methods.rs:286:5
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286 | with_default_type.unwrap_or(u64::default());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_default_type.unwrap_or_default()`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:289:5
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289 | with_vec.unwrap_or(vec![]);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_vec.unwrap_or_else(|| < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ))`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:294:5
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294 | without_default.unwrap_or(Foo::new());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `without_default.unwrap_or_else(Foo::new)`
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error: use of `or_insert` followed by a function call
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--> $DIR/methods.rs:297:5
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297 | map.entry(42).or_insert(String::new());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `map.entry(42).or_insert_with(String::new)`
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error: use of `or_insert` followed by a function call
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--> $DIR/methods.rs:300:5
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300 | btree.entry(42).or_insert(String::new());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `btree.entry(42).or_insert_with(String::new)`
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error: use of `unwrap_or` followed by a function call
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--> $DIR/methods.rs:303:13
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303 | let _ = stringy.unwrap_or("".to_owned());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `stringy.unwrap_or_else(|| "".to_owned())`
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error: called `.iter().nth()` on a Vec. Calling `.get()` is both faster and more readable
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--> $DIR/methods.rs:314:23
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314 | let bad_vec = some_vec.iter().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D iter-nth` implied by `-D warnings`
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error: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable
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--> $DIR/methods.rs:315:26
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315 | let bad_slice = &some_vec[..].iter().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable
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--> $DIR/methods.rs:316:31
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316 | let bad_boxed_slice = boxed_slice.iter().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `.iter().nth()` on a VecDeque. Calling `.get()` is both faster and more readable
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--> $DIR/methods.rs:317:29
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317 | let bad_vec_deque = some_vec_deque.iter().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `.iter_mut().nth()` on a Vec. Calling `.get_mut()` is both faster and more readable
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--> $DIR/methods.rs:322:23
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322 | let bad_vec = some_vec.iter_mut().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `.iter_mut().nth()` on a slice. Calling `.get_mut()` is both faster and more readable
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--> $DIR/methods.rs:325:26
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325 | let bad_slice = &some_vec[..].iter_mut().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `.iter_mut().nth()` on a VecDeque. Calling `.get_mut()` is both faster and more readable
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--> $DIR/methods.rs:328:29
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328 | let bad_vec_deque = some_vec_deque.iter_mut().nth(3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
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--> $DIR/methods.rs:340:13
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340 | let _ = some_vec.iter().skip(42).next();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D iter-skip-next` implied by `-D warnings`
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error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
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--> $DIR/methods.rs:341:13
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341 | let _ = some_vec.iter().cycle().skip(42).next();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
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--> $DIR/methods.rs:342:13
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342 | let _ = (1..10).skip(10).next();
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| ^^^^^^^^^^^^^^^^^^^^^^^
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error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)`
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--> $DIR/methods.rs:343:14
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343 | let _ = &some_vec[..].iter().skip(3).next();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: called `.get().unwrap()` on a slice. Using `[]` is more clear and more concise
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--> $DIR/methods.rs:369:17
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369 | let _ = boxed_slice.get(1).unwrap();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&boxed_slice[1]`
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= note: `-D get-unwrap` implied by `-D warnings`
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error: called `.get().unwrap()` on a slice. Using `[]` is more clear and more concise
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--> $DIR/methods.rs:370:17
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370 | let _ = some_slice.get(0).unwrap();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&some_slice[0]`
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error: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
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--> $DIR/methods.rs:371:17
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371 | let _ = some_vec.get(0).unwrap();
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&some_vec[0]`
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error: called `.get().unwrap()` on a VecDeque. Using `[]` is more clear and more concise
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--> $DIR/methods.rs:372:17
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372 | let _ = some_vecdeque.get(0).unwrap();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&some_vecdeque[0]`
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error: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
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--> $DIR/methods.rs:373:17
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373 | let _ = some_hashmap.get(&1).unwrap();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&some_hashmap[&1]`
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|
error: called `.get().unwrap()` on a BTreeMap. Using `[]` is more clear and more concise
|
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--> $DIR/methods.rs:374:17
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374 | let _ = some_btreemap.get(&1).unwrap();
|
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&some_btreemap[&1]`
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|
error: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
|
|
--> $DIR/methods.rs:379:10
|
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|
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379 | *boxed_slice.get_mut(0).unwrap() = 1;
|
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&mut boxed_slice[0]`
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|
error: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
|
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--> $DIR/methods.rs:380:10
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380 | *some_slice.get_mut(0).unwrap() = 1;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&mut some_slice[0]`
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|
error: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
|
|
--> $DIR/methods.rs:381:10
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381 | *some_vec.get_mut(0).unwrap() = 1;
|
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&mut some_vec[0]`
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|
error: called `.get_mut().unwrap()` on a VecDeque. Using `[]` is more clear and more concise
|
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--> $DIR/methods.rs:382:10
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|
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382 | *some_vecdeque.get_mut(0).unwrap() = 1;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&mut some_vecdeque[0]`
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|
|
error: used unwrap() on an Option value. If you don't want to handle the None case gracefully, consider using expect() to provide a better panic message
|
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--> $DIR/methods.rs:396:13
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|
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|
396 | let _ = opt.unwrap();
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| ^^^^^^^^^^^^
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|
|
|
= note: `-D option-unwrap-used` implied by `-D warnings`
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|
|
error: used unwrap() on a Result value. If you don't want to handle the Err case gracefully, consider using expect() to provide a better panic message
|
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--> $DIR/methods.rs:399:13
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|
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|
399 | let _ = res.unwrap();
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| ^^^^^^^^^^^^
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|
|
|
= note: `-D result-unwrap-used` implied by `-D warnings`
|
|
|
|
error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
|
|
--> $DIR/methods.rs:401:5
|
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|
|
|
401 | res.ok().expect("disaster!");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D ok-expect` implied by `-D warnings`
|
|
|
|
error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
|
|
--> $DIR/methods.rs:407:5
|
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|
|
|
407 | res3.ok().expect("whoof");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
|
|
--> $DIR/methods.rs:409:5
|
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|
|
|
409 | res4.ok().expect("argh");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
|
|
--> $DIR/methods.rs:411:5
|
|
|
|
|
411 | res5.ok().expect("oops");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: called `ok().expect()` on a Result value. You can call `expect` directly on the `Result`
|
|
--> $DIR/methods.rs:413:5
|
|
|
|
|
413 | res6.ok().expect("meh");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: you should use the `starts_with` method
|
|
--> $DIR/methods.rs:425:5
|
|
|
|
|
425 | "".chars().next() == Some(' ');
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `"".starts_with(' ')`
|
|
|
|
|
= note: `-D chars-next-cmp` implied by `-D warnings`
|
|
|
|
error: you should use the `starts_with` method
|
|
--> $DIR/methods.rs:426:5
|
|
|
|
|
426 | Some(' ') != "".chars().next();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!"".starts_with(' ')`
|
|
|
|
error: calling `.extend(_.chars())`
|
|
--> $DIR/methods.rs:435:5
|
|
|
|
|
435 | s.extend(abc.chars());
|
|
| ^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.push_str(abc)`
|
|
|
|
|
= note: `-D string-extend-chars` implied by `-D warnings`
|
|
|
|
error: calling `.extend(_.chars())`
|
|
--> $DIR/methods.rs:438:5
|
|
|
|
|
438 | s.extend("abc".chars());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.push_str("abc")`
|
|
|
|
error: calling `.extend(_.chars())`
|
|
--> $DIR/methods.rs:441:5
|
|
|
|
|
441 | s.extend(def.chars());
|
|
| ^^^^^^^^^^^^^^^^^^^^^ help: try this: `s.push_str(&def)`
|
|
|
|
error: using `clone` on a `Copy` type
|
|
--> $DIR/methods.rs:452:5
|
|
|
|
|
452 | 42.clone();
|
|
| ^^^^^^^^^^ help: try removing the `clone` call: `42`
|
|
|
|
|
= note: `-D clone-on-copy` implied by `-D warnings`
|
|
|
|
error: using `clone` on a `Copy` type
|
|
--> $DIR/methods.rs:456:5
|
|
|
|
|
456 | (&42).clone();
|
|
| ^^^^^^^^^^^^^ help: try dereferencing it: `*(&42)`
|
|
|
|
error: using `clone` on a `Copy` type
|
|
--> $DIR/methods.rs:460:5
|
|
|
|
|
460 | t.clone();
|
|
| ^^^^^^^^^ help: try removing the `clone` call: `t`
|
|
|
|
error: using `clone` on a `Copy` type
|
|
--> $DIR/methods.rs:462:5
|
|
|
|
|
462 | Some(t).clone();
|
|
| ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `Some(t)`
|
|
|
|
error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
|
|
--> $DIR/methods.rs:468:22
|
|
|
|
|
468 | let z: &Vec<_> = y.clone();
|
|
| ^^^^^^^^^ help: try dereferencing it: `(*y).clone()`
|
|
|
|
|
= note: `-D clone-double-ref` implied by `-D warnings`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:475:13
|
|
|
|
|
475 | x.split("x");
|
|
| --------^^^- help: try using a char instead: `x.split('x')`
|
|
|
|
|
= note: `-D single-char-pattern` implied by `-D warnings`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:492:16
|
|
|
|
|
492 | x.contains("x");
|
|
| -----------^^^- help: try using a char instead: `x.contains('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:493:19
|
|
|
|
|
493 | x.starts_with("x");
|
|
| --------------^^^- help: try using a char instead: `x.starts_with('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:494:17
|
|
|
|
|
494 | x.ends_with("x");
|
|
| ------------^^^- help: try using a char instead: `x.ends_with('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:495:12
|
|
|
|
|
495 | x.find("x");
|
|
| -------^^^- help: try using a char instead: `x.find('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:496:13
|
|
|
|
|
496 | x.rfind("x");
|
|
| --------^^^- help: try using a char instead: `x.rfind('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:497:14
|
|
|
|
|
497 | x.rsplit("x");
|
|
| ---------^^^- help: try using a char instead: `x.rsplit('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:498:24
|
|
|
|
|
498 | x.split_terminator("x");
|
|
| -------------------^^^- help: try using a char instead: `x.split_terminator('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:499:25
|
|
|
|
|
499 | x.rsplit_terminator("x");
|
|
| --------------------^^^- help: try using a char instead: `x.rsplit_terminator('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:500:17
|
|
|
|
|
500 | x.splitn(0, "x");
|
|
| ------------^^^- help: try using a char instead: `x.splitn(0, 'x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:501:18
|
|
|
|
|
501 | x.rsplitn(0, "x");
|
|
| -------------^^^- help: try using a char instead: `x.rsplitn(0, 'x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:502:15
|
|
|
|
|
502 | x.matches("x");
|
|
| ----------^^^- help: try using a char instead: `x.matches('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:503:16
|
|
|
|
|
503 | x.rmatches("x");
|
|
| -----------^^^- help: try using a char instead: `x.rmatches('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:504:21
|
|
|
|
|
504 | x.match_indices("x");
|
|
| ----------------^^^- help: try using a char instead: `x.match_indices('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:505:22
|
|
|
|
|
505 | x.rmatch_indices("x");
|
|
| -----------------^^^- help: try using a char instead: `x.rmatch_indices('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:506:25
|
|
|
|
|
506 | x.trim_left_matches("x");
|
|
| --------------------^^^- help: try using a char instead: `x.trim_left_matches('x')`
|
|
|
|
error: single-character string constant used as pattern
|
|
--> $DIR/methods.rs:507:26
|
|
|
|
|
507 | x.trim_right_matches("x");
|
|
| ---------------------^^^- help: try using a char instead: `x.trim_right_matches('x')`
|
|
|
|
error: you are getting the inner pointer of a temporary `CString`
|
|
--> $DIR/methods.rs:517:5
|
|
|
|
|
517 | CString::new("foo").unwrap().as_ptr();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D temporary-cstring-as-ptr` implied by `-D warnings`
|
|
= note: that pointer will be invalid outside this expression
|
|
help: assign the `CString` to a variable to extend its lifetime
|
|
--> $DIR/methods.rs:517:5
|
|
|
|
|
517 | CString::new("foo").unwrap().as_ptr();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
|
|
--> $DIR/methods.rs:522:27
|
|
|
|
|
522 | let v2 : Vec<isize> = v.iter().cloned().collect();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D iter-cloned-collect` implied by `-D warnings`
|
|
|
|
error: aborting due to 103 previous errors
|
|
|