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Higher order function type inference #30215

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Merged
ahejlsberg merged 20 commits into from
Mar 8, 2019
Merged

Higher order function type inference #30215

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b44bfaa
Convert CheckMode to a flags style enum
ahejlsberg Feb 28, 2019
23473e0
Skip generic functions along with context sensitive arguments
ahejlsberg Mar 1, 2019
db5ca33
Merge branch 'master' into deferGenericFunctionInference
ahejlsberg Mar 1, 2019
35ebbec
Minor fixes
ahejlsberg Mar 1, 2019
91f8fc6
Defer calls to generic functions returning generic functions
ahejlsberg Mar 2, 2019
304e25c
Add tests
ahejlsberg Mar 2, 2019
e7881a4
Accept new baselines
ahejlsberg Mar 2, 2019
c344ef3
Infer higher order function types when possible
ahejlsberg Mar 3, 2019
c58819e
Accept new baselines
ahejlsberg Mar 4, 2019
919ade1
Improve scheme for creating unique type parameter names
ahejlsberg Mar 4, 2019
549c684
Minor fix
ahejlsberg Mar 4, 2019
22c934a
Add tests
ahejlsberg Mar 4, 2019
5fe8ebb
Accept new baselines
ahejlsberg Mar 4, 2019
bf326aa
Fix lint error
ahejlsberg Mar 4, 2019
ad823da
Consistently defer generic functions to second type inference pass
ahejlsberg Mar 5, 2019
cde9444
Accept new baselines
ahejlsberg Mar 5, 2019
6c790c0
Remove unnecessary excludeArgument array and getExcludeArgument function
ahejlsberg Mar 5, 2019
6d88251
Minor change to heuristic for deferring generic calls
ahejlsberg Mar 6, 2019
b34fe67
Fix issue of more inferences leading to worse results
ahejlsberg Mar 6, 2019
a9e924b
Fix check for function type (allow checked type to have overloads)
ahejlsberg Mar 7, 2019
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@ahejlsberg
ahejlsberg committed Mar 5, 2019
commit cde94441d31543f414bbeb70a6700d30ee7fbc39
2 changes: 1 addition & 1 deletion tests/baselines/reference/genericRestParameters1.js
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Original file line number Diff line number Diff line change
Expand Up @@ -309,7 +309,7 @@ declare function f16<A, B>(a: A, b: B): A | B;
declare let x20: number;
declare let x21: string;
declare let x22: string | number;
declare let x23: unknown;
declare let x23: string | number;
declare let x24: string | number;
declare let x30: string;
declare let x31: string | number;
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4 changes: 2 additions & 2 deletions tests/baselines/reference/genericRestParameters1.types
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Expand Up @@ -462,8 +462,8 @@ let x22 = call(f15, "hello", 42); // string | number
>42 : 42

let x23 = call(f16, "hello", 42); // unknown
>x23 : unknown
>call(f16, "hello", 42) : unknown
>x23 : string | number
>call(f16, "hello", 42) : string | number
>call : <T extends unknown[], U>(f: (...args: T) => U, ...args: T) => U
>f16 : <A, B>(a: A, b: B) => A | B
>"hello" : "hello"
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