rust/tests/ui/infinite_iter.stderr
Andre Bogus df903edddd New lint: (maybe_)infinite_iter
This fixes #1870 (mostly, does not account for loops yet)
2017-08-25 22:20:52 +02:00

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error: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
--> $DIR/infinite_iter.rs:11:5
|
11 | repeat(0_u8).collect::<Vec<_>>(); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D unused-collect` implied by `-D warnings`
error: infinite iteration detected
--> $DIR/infinite_iter.rs:11:5
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11 | repeat(0_u8).collect::<Vec<_>>(); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: lint level defined here
--> $DIR/infinite_iter.rs:9:8
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9 | #[deny(infinite_iter)]
| ^^^^^^^^^^^^^
error: infinite iteration detected
--> $DIR/infinite_iter.rs:12:5
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12 | (0..8_u32).take_while(square_is_lower_64).cycle().count(); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: infinite iteration detected
--> $DIR/infinite_iter.rs:13:5
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13 | (0..8_u64).chain(0..).max(); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: infinite iteration detected
--> $DIR/infinite_iter.rs:15:5
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15 | (0..8_u32).rev().cycle().map(|x| x + 1_u32).for_each(|x| println!("{}", x)); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: infinite iteration detected
--> $DIR/infinite_iter.rs:17:5
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17 | (0_usize..).flat_map(|x| 0..x).product::<usize>(); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: infinite iteration detected
--> $DIR/infinite_iter.rs:18:5
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18 | (0_u64..).filter(|x| x % 2 == 0).last(); // infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:25:5
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25 | (0..).zip((0..).take_while(square_is_lower_64)).count(); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: lint level defined here
--> $DIR/infinite_iter.rs:23:8
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23 | #[deny(maybe_infinite_iter)]
| ^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:26:5
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26 | repeat(42).take_while(|x| *x == 42).chain(0..42).max(); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:27:5
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27 | (1..).scan(0, |state, x| { *state += x; Some(*state) }).min(); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:28:5
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28 | (0..).find(|x| *x == 24); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:29:5
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29 | (0..).position(|x| x == 24); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:30:5
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30 | (0..).any(|x| x == 24); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^
error: possible infinite iteration detected
--> $DIR/infinite_iter.rs:31:5
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31 | (0..).all(|x| x == 24); // maybe infinite iter
| ^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 14 previous errors