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author | Alex Lam S.L <alexlamsl@gmail.com> | 2017-03-08 18:37:32 +0800 |
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committer | GitHub <noreply@github.com> | 2017-03-08 18:37:32 +0800 |
commit | 711f88dcb49bc0daf0548f3ec240f680e05dfc27 (patch) | |
tree | e33629cc9e9ae6a4df611dfc03da41f8cf9742a2 /README.md | |
parent | 344d11d591ca18416ce6fe7444e451609ee14689 (diff) | |
download | tracifyjs-711f88dcb49bc0daf0548f3ec240f680e05dfc27.tar.gz tracifyjs-711f88dcb49bc0daf0548f3ec240f680e05dfc27.zip |
scan assignment value in drop_unused() (#1578)
those were not optimised for `unused` before, which made it necessary for `reduce_vars` to have separate steps for `keep_fnames`
docs update by @kzc
closes #1577
Diffstat (limited to 'README.md')
-rw-r--r-- | README.md | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -391,11 +391,11 @@ to set `true`; it's effectively a shortcut for `foo=true`). - `cascade` -- small optimization for sequences, transform `x, x` into `x` and `x = something(), x` into `x = something()` -- `collapse_vars` -- default `false`. Collapse single-use `var` and `const` - definitions when possible. +- `collapse_vars` -- Collapse single-use `var` and `const` definitions + when possible. -- `reduce_vars` -- default `false`. Improve optimization on variables assigned - with and used as constant values. +- `reduce_vars` -- Improve optimization on variables assigned with and + used as constant values. - `warnings` -- display warnings when dropping unreachable code or unused declarations etc. |