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https://github.com/rust-lang/rust-clippy
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38d4ac7cea
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
60 lines
2.3 KiB
Text
60 lines
2.3 KiB
Text
error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:13:5
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LL | let mut vec1 = Vec::with_capacity(len);
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| ----------------------- help: consider replace allocation with: `vec![0; len]`
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LL | vec1.extend(repeat(0).take(len));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::slow-vector-initialization` implied by `-D warnings`
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error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:17:5
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LL | let mut vec2 = Vec::with_capacity(len - 10);
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| ---------------------------- help: consider replace allocation with: `vec![0; len - 10]`
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LL | vec2.extend(repeat(0).take(len - 10));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:31:5
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LL | let mut resized_vec = Vec::with_capacity(30);
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| ---------------------- help: consider replace allocation with: `vec![0; 30]`
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LL | resized_vec.resize(30, 0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^
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error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:34:5
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LL | let mut extend_vec = Vec::with_capacity(30);
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| ---------------------- help: consider replace allocation with: `vec![0; 30]`
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LL | extend_vec.extend(repeat(0).take(30));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:41:5
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LL | let mut vec1 = Vec::with_capacity(len);
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| ----------------------- help: consider replace allocation with: `vec![0; len]`
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LL | vec1.resize(len, 0);
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| ^^^^^^^^^^^^^^^^^^^
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error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:49:5
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LL | let mut vec3 = Vec::with_capacity(len - 10);
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| ---------------------------- help: consider replace allocation with: `vec![0; len - 10]`
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LL | vec3.resize(len - 10, 0);
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| ^^^^^^^^^^^^^^^^^^^^^^^^
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error: slow zero-filling initialization
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--> $DIR/slow_vector_initialization.rs:53:5
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LL | vec1 = Vec::with_capacity(10);
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| ---------------------- help: consider replace allocation with: `vec![0; 10]`
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LL | vec1.resize(10, 0);
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| ^^^^^^^^^^^^^^^^^^
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error: aborting due to 7 previous errors
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