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add documentation for side_effects & [#@]__PURE__ (#1925)

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olsonpm
2017-05-11 23:29:55 -05:00
committed by Alex Lam S.L
parent daaefc17b9
commit 547f41beba
1 changed files with 5 additions and 0 deletions
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README.md
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@@ -409,6 +409,11 @@ to set `true`; it's effectively a shortcut for `foo=true`).
- `keep_infinity` -- default `false`. Pass `true` to prevent `Infinity` from - `keep_infinity` -- default `false`. Pass `true` to prevent `Infinity` from
being compressed into `1/0`, which may cause performance issues on Chrome. being compressed into `1/0`, which may cause performance issues on Chrome.
- `side_effects` -- default `false`. Pass `true` to potentially drop functions
marked as "pure". (A function is marked as "pure" via the comment annotation
`/* @__PURE__ */` or `/* #__PURE__ */`)
### The `unsafe` option ### The `unsafe` option
It enables some transformations that *might* break code logic in certain It enables some transformations that *might* break code logic in certain