Remove unused overloads of 'deduplicate' and 'deduplicateSorted'
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1 changed files with 5 additions and 11 deletions
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@ -775,7 +775,7 @@ namespace ts {
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return deduplicated.map(i => array[i]);
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}
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function deduplicateEquality<T>(array: ReadonlyArray<T>, equalityComparer: EqualityComparer<T>) {
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function deduplicateEquality<T>(array: ReadonlyArray<T>, equalityComparer?: EqualityComparer<T>) {
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const result: T[] = [];
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for (const item of array) {
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pushIfUnique(result, item, equalityComparer);
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@ -789,23 +789,17 @@ namespace ts {
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* @param comparer An optional `Comparer` used to sort entries before comparison, though the
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* result will remain in the original order in `array`.
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*/
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export function deduplicate<T>(array: ReadonlyArray<T>, equalityComparer?: EqualityComparer<T>, comparer?: Comparer<T>): T[];
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export function deduplicate<T>(array: ReadonlyArray<T> | undefined, equalityComparer?: EqualityComparer<T>, comparer?: Comparer<T>): T[] | undefined;
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export function deduplicate<T>(array: ReadonlyArray<T> | undefined, equalityComparer: EqualityComparer<T>, comparer?: Comparer<T>): T[] | undefined {
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return !array ? undefined :
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array.length === 0 ? [] :
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export function deduplicate<T>(array: ReadonlyArray<T>, equalityComparer?: EqualityComparer<T>, comparer?: Comparer<T>): T[] {
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return array.length === 0 ? [] :
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array.length === 1 ? array.slice() :
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comparer ? deduplicateRelational(array, equalityComparer, comparer) :
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comparer ? deduplicateRelational(array, equalityComparer!, comparer) :
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deduplicateEquality(array, equalityComparer);
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}
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/**
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* Deduplicates an array that has already been sorted.
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*/
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function deduplicateSorted<T>(array: ReadonlyArray<T>, comparer: EqualityComparer<T> | Comparer<T>): T[];
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function deduplicateSorted<T>(array: ReadonlyArray<T> | undefined, comparer: EqualityComparer<T> | Comparer<T>): T[] | undefined;
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function deduplicateSorted<T>(array: ReadonlyArray<T> | undefined, comparer: EqualityComparer<T> | Comparer<T>): T[] | undefined {
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if (!array) return undefined;
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function deduplicateSorted<T>(array: ReadonlyArray<T>, comparer: EqualityComparer<T> | Comparer<T>): T[] {
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if (array.length === 0) return [];
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let last = array[0];
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