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Use intersection types in Object.assign defintion #4573

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mhegazy
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@mhegazy mhegazy commented Aug 31, 2015

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* @param target The target object to copy to.
* @param source1 first source objects to copy properties from.
* @param source2 second source objects to copy properties from.
* @param source3 second source objects to copy properties from.
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third

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"source objects" -> "source object"

"to copy properties from" -> "from which to copy properties"

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Er... "to copy properties from" is indeed better I believe.

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Yeah, agreed, sorry

@danquirk danquirk changed the title Use intersection types in Object.assing defintion Use intersection types in Object.assign defintion Sep 2, 2015
* Copy the values of all of the enumerable own properties from one or more source objects to a
* target object. Returns the target object.
* @param target The target object to copy to.
* @param sources One or more source objects from which to copy properties
*/
assign(target: any, ...sources: any[]): any;
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If you make this take a T and U array, then users can specifically pass in a union type for their U

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@DanielRosenwasser But then the resulting type would follow the pattern T & (U1 | U2 | U3 ... ) which I don't think is what you want.

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You'd need something like the proposal in #3870.

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vladima commented Sep 9, 2015

👍

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mhegazy commented Sep 18, 2015

merged manually.

@mhegazy mhegazy closed this Sep 18, 2015
@mhegazy mhegazy deleted the useIntersectionTypesInLib branch September 18, 2015 00:34
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6 participants