Add functions to the lists extension. #1037
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/gcbrun |
TristonianJones
requested changes
Oct 7, 2024
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@TristonianJones Addressed all the comments, PTAL 🙂 |
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PTAL. Also can you confirm that you're okay with the naming for the internal sortBy function ( |
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/gcbrun |
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Looking pretty good, and the naming of the internal sorting function is good for me. Thanks! |
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/gcbrun |
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Done! |
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/gcbrun |
TristonianJones
approved these changes
Oct 21, 2024
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These list functions are used in an internal Google project, but are useful enough that they can be upstreamed to the Go implementation, and later to other runtimes.
The new functions are:
range()to return a list of integers from 0 to n-1.reverse()to return the reverse of a list.distinct()to return the unique elements in a list.sortByAssociatedKeys()to sort a list by a list of keys, used to implement thesortBy()macro.The new macros are:
sortBy(), used like:<listExpr>.sortBy(<elementBinding>, <keyExpression>)to sort a list by a "key expression" applied to each element, similar tol.sort(key=lambda e: keyExpression)in Python.