rust/tests/ui/repeat_vec_with_capacity.stderr
2023-12-01 16:52:34 +01:00

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error: repeating `Vec::with_capacity` using `vec![x; n]`, which does not retain capacity
--> $DIR/repeat_vec_with_capacity.rs:5:9
|
LL | vec![Vec::<()>::with_capacity(42); 123];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: only the last `Vec` will have the capacity
= note: `-D clippy::repeat-vec-with-capacity` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::repeat_vec_with_capacity)]`
help: if you intended to initialize multiple `Vec`s with an initial capacity, try
|
LL | (0..123).map(|_| Vec::<()>::with_capacity(42)).collect::<Vec<_>>();
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error: repeating `Vec::with_capacity` using `vec![x; n]`, which does not retain capacity
--> $DIR/repeat_vec_with_capacity.rs:11:9
|
LL | vec![Vec::<()>::with_capacity(42); n];
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: only the last `Vec` will have the capacity
help: if you intended to initialize multiple `Vec`s with an initial capacity, try
|
LL | (0..n).map(|_| Vec::<()>::with_capacity(42)).collect::<Vec<_>>();
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error: repeating `Vec::with_capacity` using `iter::repeat`, which does not retain capacity
--> $DIR/repeat_vec_with_capacity.rs:26:9
|
LL | std::iter::repeat(Vec::<()>::with_capacity(42));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: none of the yielded `Vec`s will have the requested capacity
help: if you intended to create an iterator that yields `Vec`s with an initial capacity, try
|
LL | std::iter::from_fn(|| Some(Vec::<()>::with_capacity(42)));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error: aborting due to 3 previous errors