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45c5e7b967
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@ -11,8 +11,8 @@ export function countIf<T>(f: Predicate<T>, xs: T[]): number {
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/**
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* Count the number of elements that is equal to the element
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*/
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export function count<T>(x: T, xs: T[]): number {
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return countIf(y => x === y, xs);
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export function count<T>(a: T, xs: T[]): number {
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return countIf(x => x === a, xs);
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}
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/**
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@ -33,8 +33,8 @@ export function intersperse<T>(sep: T, xs: T[]): T[] {
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/**
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* Returns the array of elements that is not equal to the element
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*/
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export function erase<T>(x: T, xs: T[]): T[] {
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return xs.filter(y => x !== y);
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export function erase<T>(a: T, xs: T[]): T[] {
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return xs.filter(x => x !== a);
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}
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/**
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@ -1,5 +1,5 @@
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export type Predicate<T> = (x: T) => boolean;
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export type Predicate<T> = (a: T) => boolean;
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export type Relation<T, U> = (x: T, y: U) => boolean;
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export type Relation<T, U> = (a: T, b: U) => boolean;
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export type EndoRelation<T> = Relation<T, T>;
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