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tc39
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proposal-flatMap
proposal for flatten and flatMap on arrays
https://tc39.github.io/proposal-flatMap
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Pass `sourceLen` into `FlattenIntoArray` so that it can be retrieved prior to array creation
#26
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ljharb
closed
7 years ago
ljharb
commented
7 years ago
Fixes #1.
I chose the ordering for
Let _sourceLen_ be
based on “validate arguments first, then validate argument properties”
Fixes #1.
Let _sourceLen_ be
based on “validate arguments first, then validate argument properties”