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Diffstat (limited to 'src/tools/clippy/src/docs/large_const_arrays.txt')
| -rw-r--r-- | src/tools/clippy/src/docs/large_const_arrays.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/large_const_arrays.txt b/src/tools/clippy/src/docs/large_const_arrays.txt new file mode 100644 index 000000000..71f67854f --- /dev/null +++ b/src/tools/clippy/src/docs/large_const_arrays.txt @@ -0,0 +1,17 @@ +### What it does +Checks for large `const` arrays that should +be defined as `static` instead. + +### Why is this bad? +Performance: const variables are inlined upon use. +Static items result in only one instance and has a fixed location in memory. + +### Example +``` +pub const a = [0u32; 1_000_000]; +``` + +Use instead: +``` +pub static a = [0u32; 1_000_000]; +```
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