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Title: Higher order function type inference by ahejlsberg · Pull Request #30215 · microsoft/TypeScript · GitHub

Open Graph Title: Higher order function type inference by ahejlsberg · Pull Request #30215 · microsoft/TypeScript

X Title: Higher order function type inference by ahejlsberg · Pull Request #30215 · microsoft/TypeScript

Description: TypeScript is a superset of JavaScript that compiles to clean JavaScript output. - Higher order function type inference by ahejlsberg · Pull Request #30215 · microsoft/TypeScript

Open Graph Description: With this PR we enable inference of generic function type results for generic functions that operate on other generic functions. For example: declare function pipe<A extends any[], B, C>(ab: ...

X Description: With this PR we enable inference of generic function type results for generic functions that operate on other generic functions. For example: declare function pipe&lt;A extends any[], B, C&...

Opengraph URL: https://github.com/microsoft/TypeScript/pull/30215

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og:image:altWith this PR we enable inference of generic function type results for generic functions that operate on other generic functions. For example: declare function pipe<A extends any[], B, C>(ab: ...
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Convert CheckMode to a flags style enumhttps://github.com/microsoft/TypeScript/pull/30215/commits/b44bfaaaa8edf88e83779e1f0399a8518dfff389
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Skip generic functions along with context sensitive argumentshttps://github.com/microsoft/TypeScript/pull/30215/commits/23473e021b0006f37d0d2e8f9c5c9de182641cd6
23473e0https://github.com/microsoft/TypeScript/pull/30215/commits/23473e021b0006f37d0d2e8f9c5c9de182641cd6
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Merge branch 'master' into deferGenericFunctionInferencehttps://github.com/microsoft/TypeScript/pull/30215/commits/db5ca33e6ccedf8443bad3bb2d3b7f0d3c73579c
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Minor fixeshttps://github.com/microsoft/TypeScript/pull/30215/commits/35ebbece49320b48df5a0cb048a08a34256718e0
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Defer calls to generic functions returning generic functionshttps://github.com/microsoft/TypeScript/pull/30215/commits/91f8fc60f1b0cc42c7842d71ee5fe7a0b2f37595
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Add testshttps://github.com/microsoft/TypeScript/pull/30215/commits/304e25cf69a9570234d8c2ad83c1a1f55b086635
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Accept new baselineshttps://github.com/microsoft/TypeScript/pull/30215/commits/e7881a412ed1ff64f18ecd34486e253e91bece11
e7881a4https://github.com/microsoft/TypeScript/pull/30215/commits/e7881a412ed1ff64f18ecd34486e253e91bece11
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Infer higher order function types when possiblehttps://github.com/microsoft/TypeScript/pull/30215/commits/c344ef3123023d71812290e96109686a3addbdb0
c344ef3https://github.com/microsoft/TypeScript/pull/30215/commits/c344ef3123023d71812290e96109686a3addbdb0
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Accept new baselineshttps://github.com/microsoft/TypeScript/pull/30215/commits/c58819e9c2248294da8cbdc76ce14ae8d0388536
c58819ehttps://github.com/microsoft/TypeScript/pull/30215/commits/c58819e9c2248294da8cbdc76ce14ae8d0388536
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Improve scheme for creating unique type parameter nameshttps://github.com/microsoft/TypeScript/pull/30215/commits/919ade1dbd3f7e6acfc71b02defb622c0bcb8d43
919ade1https://github.com/microsoft/TypeScript/pull/30215/commits/919ade1dbd3f7e6acfc71b02defb622c0bcb8d43
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Minor fixhttps://github.com/microsoft/TypeScript/pull/30215/commits/549c68451708a9c48b2127ba6bc6618354366fdd
549c684https://github.com/microsoft/TypeScript/pull/30215/commits/549c68451708a9c48b2127ba6bc6618354366fdd
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Add testshttps://github.com/microsoft/TypeScript/pull/30215/commits/22c934a065d56f0578a58b6258fcc8775ffd4cf0
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Accept new baselineshttps://github.com/microsoft/TypeScript/pull/30215/commits/5fe8ebb502f90742a0c53b20d7bc38439ea59d70
5fe8ebbhttps://github.com/microsoft/TypeScript/pull/30215/commits/5fe8ebb502f90742a0c53b20d7bc38439ea59d70
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Fix lint errorhttps://github.com/microsoft/TypeScript/pull/30215/commits/bf326aaabf48e7b72ae68b4a10d33ee23cee97e8
bf326aahttps://github.com/microsoft/TypeScript/pull/30215/commits/bf326aaabf48e7b72ae68b4a10d33ee23cee97e8
https://github.com/ahejlsberg
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Mar 4, 2019 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-410020157
Various issues when trying to use pipe function #29904 https://github.com/microsoft/TypeScript/issues/29904
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March 4, 2019 22:32https://github.com/microsoft/TypeScript/pull/30215#event-2179320072
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Mar 4, 2019 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-162351308
Supporting generic type inference over the other higher-order functions #9366 https://github.com/microsoft/TypeScript/issues/9366
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Consistently defer generic functions to second type inference passhttps://github.com/microsoft/TypeScript/pull/30215/commits/ad823daabba75c8d6d77ab5f9194ce5feaa1fa96
ad823dahttps://github.com/microsoft/TypeScript/pull/30215/commits/ad823daabba75c8d6d77ab5f9194ce5feaa1fa96
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Accept new baselineshttps://github.com/microsoft/TypeScript/pull/30215/commits/cde94441d31543f414bbeb70a6700d30ee7fbc39
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Wrong type inferred for indirect call of generic function #29638 https://github.com/microsoft/TypeScript/issues/29638
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Ability to get generic type from typeof and infer #33185 https://github.com/microsoft/TypeScript/issues/33185
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Oct 3, 2019 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-498321334
Higher order type inference doesn't work with overloads #33594 https://github.com/microsoft/TypeScript/issues/33594
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Nov 25, 2019 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-528396890
Type error when using generic function result as argument, but not when assigned to temp variable first #35339 https://github.com/microsoft/TypeScript/issues/35339
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Use React.forwardRef in jaredpalmer/formik#2208 https://github.com/jaredpalmer/formik/issues/2208
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First class type constructor #35816 https://github.com/microsoft/TypeScript/issues/35816
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Generic values #17574 https://github.com/microsoft/TypeScript/issues/17574
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May 4, 2020https://github.com/microsoft/TypeScript/pull/30215#issuecomment-623624681
https://github.com/Microsoft/TypeScript/wiki/Roadmap#34-march-2019https://github.com/Microsoft/TypeScript/wiki/Roadmap#34-march-2019
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May 4, 2020https://github.com/microsoft/TypeScript/pull/30215#issuecomment-623744851
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https://github.com/sisp
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May 2, 2021 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-870245390
Generic models xaviergonz/mobx-keystone#239 https://github.com/xaviergonz/mobx-keystone/issues/239
https://github.com/mayteio
mayteiohttps://github.com/mayteio
Aug 6, 2021 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-962326730
Support component prop generics with forwardRef chakra-ui/chakra-ui#4528 https://github.com/chakra-ui/chakra-ui/issues/4528
https://github.com/jcalz
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Jun 13, 2022 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-1268664916
Inferring a generic should put the type variable in the inner scope when possible #49505 https://github.com/microsoft/TypeScript/issues/49505
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Nov 16, 2022https://github.com/microsoft/TypeScript/pull/30215#issuecomment-1316828593
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https://github.com/wbt
wbthttps://github.com/wbt
Dec 12, 2022 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-1492623371
MyGeneric is sometimes not assignable to MyGeneric though X extends Y #51867 https://github.com/microsoft/TypeScript/issues/51867
https://github.com/MichaelMitchell-at
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Apr 30, 2023 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-683503798
Add type operators that can answer "given function type T, what is the type of its return value when arguments P are passed in?" #40179 https://github.com/microsoft/TypeScript/issues/40179
https://github.com/jcalz
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Jun 21, 2023 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-1763952847
Generics are lost during Function.prototype.bind() and Function.prototype.call() #54707 https://github.com/microsoft/TypeScript/issues/54707
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Jul 14, 2023 https://github.com/microsoft/TypeScript/pull/30215#ref-pullrequest-1804155705
Fix wrong typing of TabAction prop channel-io/bezier-react#1497 https://github.com/channel-io/bezier-react/pull/1497
https://github.com/webvv
webvvhttps://github.com/webvv
Feb 4, 2024 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-2117264073
TypeScript cannot infer type arguments correctly when swapping function parameters. #57287 https://github.com/microsoft/TypeScript/issues/57287
https://github.com/jcalz
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Aug 9, 2024 https://github.com/microsoft/TypeScript/pull/30215#ref-issue-2457680289
Broken type inference for union of function and object #59573 https://github.com/microsoft/TypeScript/issues/59573
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Oct 21, 2025https://github.com/microsoft/TypeScript/pull/30215#event-20415912245
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question: how can i create and return a generic function in TypeScript? https://github.com/microsoft/TypeScript/issues/9949
Supporting generic type inference over the other higher-order functions https://github.com/microsoft/TypeScript/issues/9366
Inference bug https://github.com/microsoft/TypeScript/issues/3038
Higher order functions lose type parameters https://github.com/microsoft/TypeScript/issues/417
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