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11 lines
202 B
TypeScript
11 lines
202 B
TypeScript
export function firstIndex<T>(array: T[], fn: (t: T) => boolean): number {
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for (let i = 0; i < array.length; i++) {
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if (fn(array[i])) {
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return i;
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}
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}
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return -1;
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}
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export const UTF8 = 'utf8'; |