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Inference for higher order mapped, index and lookup types #18391

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Merged
merged 2 commits into from
Sep 11, 2017
Merged

Inference for higher order mapped, index and lookup types #18391

merged 2 commits into from
Sep 11, 2017

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ahejlsberg
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This PR adds inference for higher order mapped, index and lookup types. For example, when inferring from a keyof S to a keyof T, where S and T are type variables, we'll now properly infer S for T.

Fixes #18338.

@ahejlsberg ahejlsberg merged commit d90814b into master Sep 11, 2017
@ahejlsberg ahejlsberg deleted the fixMappedTypeInference branch September 11, 2017 19:47
@weswigham weswigham mentioned this pull request Nov 18, 2017
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@mhegazy mhegazy mhegazy approved these changes

@DanielRosenwasser DanielRosenwasser Awaiting requested review from DanielRosenwasser

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@ahejlsberg @mhegazy @msftclas