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tc39 / proposal-flatMap

proposal for flatten and flatMap on arrays
https://tc39.github.io/proposal-flatMap
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'spreadable' to 'flattenable' #48

Closed jakearchibald closed 6 years ago

jakearchibald commented 6 years ago

Things like strings are spreadable, but IsArray(_element_) returns false for these.

Older PR https://github.com/tc39/proposal-flatMap/pull/45.

ljharb commented 6 years ago

(specifically, https://github.com/tc39/proposal-flatMap/pull/45#issuecomment-347313975)