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Diffstat (limited to 'src/tools/clippy/src/docs/zero_sized_map_values.txt')
-rw-r--r-- | src/tools/clippy/src/docs/zero_sized_map_values.txt | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/src/tools/clippy/src/docs/zero_sized_map_values.txt b/src/tools/clippy/src/docs/zero_sized_map_values.txt deleted file mode 100644 index 0502bdbf3..000000000 --- a/src/tools/clippy/src/docs/zero_sized_map_values.txt +++ /dev/null @@ -1,24 +0,0 @@ -### What it does -Checks for maps with zero-sized value types anywhere in the code. - -### Why is this bad? -Since there is only a single value for a zero-sized type, a map -containing zero sized values is effectively a set. Using a set in that case improves -readability and communicates intent more clearly. - -### Known problems -* A zero-sized type cannot be recovered later if it contains private fields. -* This lints the signature of public items - -### Example -``` -fn unique_words(text: &str) -> HashMap<&str, ()> { - todo!(); -} -``` -Use instead: -``` -fn unique_words(text: &str) -> HashSet<&str> { - todo!(); -} -```
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