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author | Laurențiu Nicola <[email protected]> | 2020-06-29 16:07:52 +0100 |
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committer | Laurențiu Nicola <[email protected]> | 2020-06-29 16:07:52 +0100 |
commit | 95d67ec40174ec1c344ab39eee414d7a41a36af0 (patch) | |
tree | 43f713aef65a1439b960b1d199863dc1c29a1994 /docs/dev | |
parent | 82ce5792ab70ab8d20a1afde72c5400c27b9c190 (diff) |
Use more of FxHash*
Diffstat (limited to 'docs/dev')
-rw-r--r-- | docs/dev/README.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/dev/README.md b/docs/dev/README.md index 11dc5261b..6b6824ded 100644 --- a/docs/dev/README.md +++ b/docs/dev/README.md | |||
@@ -254,6 +254,11 @@ The default name is a lowercased name of the type: `global_state: GlobalState`. | |||
254 | Avoid ad-hoc acronyms and contractions, but use the ones that exist consistently (`db`, `ctx`, `acc`). | 254 | Avoid ad-hoc acronyms and contractions, but use the ones that exist consistently (`db`, `ctx`, `acc`). |
255 | The default name for "result of the function" local variable is `res`. | 255 | The default name for "result of the function" local variable is `res`. |
256 | 256 | ||
257 | ## Collection types | ||
258 | |||
259 | We prefer `rustc_hash::FxHashMap` and `rustc_hash::FxHashSet` instead of the ones in `std::collections`. | ||
260 | They use a hasher that's slightly faster and using them consistently will reduce code size by some small amount. | ||
261 | |||
257 | ## Preconditions | 262 | ## Preconditions |
258 | 263 | ||
259 | Function preconditions should generally be expressed in types and provided by the caller (rather than checked by callee): | 264 | Function preconditions should generally be expressed in types and provided by the caller (rather than checked by callee): |