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Update Array.ts #1928

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Update Array.ts #1928

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2052b21
Update Array.ts
asjir Mar 21, 2024
2eb153a
dtslint update
asjir Mar 21, 2024
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2 changes: 1 addition & 1 deletion dtslint/ts3.5/Array.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ _.elem(N.Eq)(1) // $ExpectType (as: number[]) => boolean
//

_.difference(N.Eq)([1, 2], [3, 4]) // $ExpectType number[]
_.difference(N.Eq)([3, 4]) // $ExpectType (ys: number[]) => number[]
_.difference(N.Eq)([3, 4]) // $ExpectType (me: number[]) => number[]

//
// intersection
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14 changes: 7 additions & 7 deletions src/Array.ts
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Expand Up @@ -1409,17 +1409,17 @@ export function intersection<A>(E: Eq<A>): (xs: Array<A>, ys?: Array<A>) => Arra
* @since 2.0.0
*/
export function difference<A>(E: Eq<A>): {
(xs: Array<A>): (ys: Array<A>) => Array<A>
(xs: Array<A>, ys: Array<A>): Array<A>
(that: Array<A>): (me: Array<A>) => Array<A>
(me: Array<A>, that: Array<A>): Array<A>
}
export function difference<A>(E: Eq<A>): (xs: Array<A>, ys?: Array<A>) => Array<A> | ((ys: Array<A>) => Array<A>) {
export function difference<A>(E: Eq<A>): (me: Array<A>, that?: Array<A>) => Array<A> | ((me: Array<A>) => Array<A>) {
const elemE = elem(E)
return (xs, ys?) => {
if (ys === undefined) {
return (me, that?) => {
if (that === undefined) {
const differenceE = difference(E)
return (ys) => differenceE(ys, xs)
return (that) => differenceE(that, me)
}
return xs.filter((a) => !elemE(a, ys))
return me.filter((a) => !elemE(a, that))
}
}

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