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Remove unused overloads of 'deduplicate' and 'deduplicateSorted'

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This commit is contained in:
Andy Hanson 2018-08-21 16:18:51 -07:00
parent 7ec98afb8f
commit ac7c2ba9e2
1 changed files with 5 additions and 11 deletions
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16
src/compiler/core.ts
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@ -775,7 +775,7 @@ namespace ts {
return deduplicated.map(i => array[i]);
}
function deduplicateEquality<T>(array: ReadonlyArray<T>, equalityComparer: EqualityComparer<T>) {
function deduplicateEquality<T>(array: ReadonlyArray<T>, equalityComparer?: EqualityComparer<T>) {
const result: T[] = [];
for (const item of array) {
pushIfUnique(result, item, equalityComparer);
@ -789,23 +789,17 @@ namespace ts {
* @param comparer An optional `Comparer` used to sort entries before comparison, though the
* result will remain in the original order in `array`.
*/
export function deduplicate<T>(array: ReadonlyArray<T>, equalityComparer?: EqualityComparer<T>, comparer?: Comparer<T>): T[];
export function deduplicate<T>(array: ReadonlyArray<T> | undefined, equalityComparer?: EqualityComparer<T>, comparer?: Comparer<T>): T[] | undefined;
export function deduplicate<T>(array: ReadonlyArray<T> | undefined, equalityComparer: EqualityComparer<T>, comparer?: Comparer<T>): T[] | undefined {
return !array ? undefined :
array.length === 0 ? [] :
export function deduplicate<T>(array: ReadonlyArray<T>, equalityComparer?: EqualityComparer<T>, comparer?: Comparer<T>): T[] {
return array.length === 0 ? [] :
array.length === 1 ? array.slice() :
comparer ? deduplicateRelational(array, equalityComparer, comparer) :
comparer ? deduplicateRelational(array, equalityComparer!, comparer) :
deduplicateEquality(array, equalityComparer);
}
/**
* Deduplicates an array that has already been sorted.
*/
function deduplicateSorted<T>(array: ReadonlyArray<T>, comparer: EqualityComparer<T> | Comparer<T>): T[];
function deduplicateSorted<T>(array: ReadonlyArray<T> | undefined, comparer: EqualityComparer<T> | Comparer<T>): T[] | undefined;
function deduplicateSorted<T>(array: ReadonlyArray<T> | undefined, comparer: EqualityComparer<T> | Comparer<T>): T[] | undefined {
if (!array) return undefined;
function deduplicateSorted<T>(array: ReadonlyArray<T>, comparer: EqualityComparer<T> | Comparer<T>): T[] {
if (array.length === 0) return [];
let last = array[0];