- binaryFindIndex<T>(arr: T[], handler: ((item: T, index: number, start: number, end: number) => number)): number
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Parameters
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arr: T[]
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handler: ((item: T, index: number, start: number, end: number) => number)
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- (item: T, index: number, start: number, end: number): number
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Parameters
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item: T
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index: number
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start: number
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end: number
Returns number
Returns number
二分查找item index