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