- takeWhile<A, B>(pred: ((a: A) => a is B)): (<E>(self: Source<A, E>) => Source<B, E>)
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Parameters
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pred: ((a: A) => a is B)
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- (a: A): a is B
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Returns a is B
Returns (<E>(self: Source<A, E>) => Source<B, E>)
- takeWhile<A>(pred: ((a: A) => boolean)): (<E>(self: Source<A, E>) => Source<A, E>)
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Parameters
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pred: ((a: A) => boolean)
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- (a: A): boolean
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Returns boolean
Returns (<E>(self: Source<A, E>) => Source<A, E>)