74 lines
2.8 KiB
Rust
74 lines
2.8 KiB
Rust
macro_rules! declare_deprecated_lint {
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(pub $name: ident, $_reason: expr) => {
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declare_lint!(pub $name, Allow, "deprecated lint")
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}
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `assert!(a == b)` and recommend
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/// replacement with `assert_eq!(a, b)`, but this is no longer needed after RFC 2011.
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declare_deprecated_lint! {
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pub SHOULD_ASSERT_EQ,
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"`assert!()` will be more flexible with RFC 2011"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `Vec::extend`, which was slower than
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/// `Vec::extend_from_slice`. Thanks to specialization, this is no longer true.
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declare_deprecated_lint! {
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pub EXTEND_FROM_SLICE,
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"`.extend_from_slice(_)` is a faster way to extend a Vec by a slice"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** `Range::step_by(0)` used to be linted since it's
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/// an infinite iterator, which is better expressed by `iter::repeat`,
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/// but the method has been removed for `Iterator::step_by` which panics
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/// if given a zero
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declare_deprecated_lint! {
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pub RANGE_STEP_BY_ZERO,
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"`iterator.step_by(0)` panics nowadays"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `Vec::as_slice`, which was unstable with good
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/// stable alternatives. `Vec::as_slice` has now been stabilized.
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declare_deprecated_lint! {
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pub UNSTABLE_AS_SLICE,
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"`Vec::as_slice` has been stabilized in 1.7"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `Vec::as_mut_slice`, which was unstable with good
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/// stable alternatives. `Vec::as_mut_slice` has now been stabilized.
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declare_deprecated_lint! {
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pub UNSTABLE_AS_MUT_SLICE,
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"`Vec::as_mut_slice` has been stabilized in 1.7"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `.to_string()` method calls on values
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/// of type `&str`. This is not unidiomatic and with specialization coming, `to_string` could be
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/// specialized to be as efficient as `to_owned`.
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declare_deprecated_lint! {
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pub STR_TO_STRING,
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"using `str::to_string` is common even today and specialization will likely happen soon"
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}
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/// **What it does:** Nothing. This lint has been deprecated.
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///
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/// **Deprecation reason:** This used to check for `.to_string()` method calls on values
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/// of type `String`. This is not unidiomatic and with specialization coming, `to_string` could be
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/// specialized to be as efficient as `clone`.
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declare_deprecated_lint! {
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pub STRING_TO_STRING,
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"using `string::to_string` is common even today and specialization will likely happen soon"
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}
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