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Add shortcut fusion heuristic note to lodash docs. [ci skip]

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John-David Dalton
2015-11-02 13:12:44 -06:00
parent 611aaa5385
commit ee9339e73b
1 changed files with 5 additions and 1 deletions
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lodash.js
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@@ -1436,7 +1436,11 @@
* Lazy evaluation allows several methods to support shortcut fusion. Shortcut * Lazy evaluation allows several methods to support shortcut fusion. Shortcut
* fusion is an optimization strategy which merge iteratee calls; this can help * fusion is an optimization strategy which merge iteratee calls; this can help
* to avoid the creation of intermediate data structures and greatly reduce the * to avoid the creation of intermediate data structures and greatly reduce the
* number of iteratee executions. * number of iteratee executions. Sections of a chain sequence may qualify for
* shortcut fusion if the section is applied to an array of at least two hundred
* elements and any iteratees or predicates accept only one argument. The
* heuristic for whether a section qualifies for shortcut fusion is subject
* to change.
* *
* Chaining is supported in custom builds as long as the `_#value` method is * Chaining is supported in custom builds as long as the `_#value` method is
* directly or indirectly included in the build. * directly or indirectly included in the build.