webdetector/.cache/96/4cd503469fb231c5041db5b5c1dd78.json
2018-12-21 13:36:28 +01:00

1 line
50 KiB
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{Observable} from '../Observable';\nimport {Operator} from '../Operator';\nimport {Subscriber} from '../Subscriber';\nimport {OperatorFunction} from '../types';\n\nexport function find<T, S extends T>(predicate: (value: T, index: number, source: Observable<T>) => value is S,\n thisArg?: any): OperatorFunction<T, S | undefined>;\nexport function find<T>(predicate: (value: T, index: number, source: Observable<T>) => boolean,\n thisArg?: any): OperatorFunction<T, T | undefined>;\n/**\n * Emits only the first value emitted by the source Observable that meets some\n * condition.\n *\n * <span class=\"informal\">Finds the first value that passes some test and emits\n * that.</span>\n *\n * ![](find.png)\n *\n * `find` searches for the first item in the source Observable that matches the\n * specified condition embodied by the `predicate`, and returns the first\n * occurrence in the source. 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