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Editorial Team
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Asked: 2026-06-01T19:16:03+00:00

The following trait Parser[+T] is a trait that extends a function that accepts an

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The following trait Parser[+T] is a trait that extends a function that accepts an Input and returns a Result[T].

 trait Parser[+T] extends (Input => Result[T])

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1 Answer

  1. Editorial Team

    Right.

    Input => Result[T] is a shortcut for Function1[Input, Result[T]].
    It has an abstrat method

    def apply(v1: Input) : Result[T]

    which when defined will be the actual function implementation.

    Scala syntax allows methods called apply to be called silently, that is for some expression e, e(x1, ... xn) will be translated to e.apply(x1, ... xn)

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