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org.rogach.scallop

ValueConverter

trait ValueConverter[A] extends AnyRef

Converter from list of plain strings to something meaningful.

Self Type
ValueConverter[A]
Source
ValueConverter.scala
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Abstract Value Members

  1. abstract val argType: V

    Type of parsed argument list.

  2. abstract def parse(s: List[(String, List[String])]): Either[String, Option[A]]

    Takes a list of arguments to all option invocations: for example, "-a 1 2 -a 3 4 5" would produce List(("a",List(1,2)),("a",List(3,4,5))).

    Takes a list of arguments to all option invocations: for example, "-a 1 2 -a 3 4 5" would produce List(("a",List(1,2)),("a",List(3,4,5))).

    • parse returns Left, if there was an error while parsing.
    • if no option was found, it returns Right(None).
    • if option was found, it returns Right(...).

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
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  3. final def ==(arg0: Any): Boolean
    Definition Classes
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  4. def argFormat(name: String): String

    Transformation of argument name to argument definition in help.

  5. final def asInstanceOf[T0]: T0
    Definition Classes
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  6. def clone(): AnyRef
    Attributes
    protected[java.lang]
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    @native() @throws( ... )
  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
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  8. def equals(arg0: Any): Boolean
    Definition Classes
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  9. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. def flatMap[B](fn: (A) ⇒ Either[String, Option[B]]): ValueConverter[B]
  11. final def getClass(): Class[_]
    Definition Classes
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    Annotations
    @native()
  12. def hashCode(): Int
    Definition Classes
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    Annotations
    @native()
  13. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  14. def map[B](fn: (A) ⇒ B): ValueConverter[B]

    Maps the converter to another value:

    Maps the converter to another value:

    intConverter.map(2 +) // and you get a "biased converter"
  15. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  16. final def notify(): Unit
    Definition Classes
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    Annotations
    @native()
  17. final def notifyAll(): Unit
    Definition Classes
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    @native()
  18. def parseCached(s: List[(String, List[String])]): Either[String, Option[A]]
  19. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  20. def toString(): String
    Definition Classes
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  21. final def wait(): Unit
    Definition Classes
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    Annotations
    @throws( ... )
  22. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  23. final def wait(arg0: Long): Unit
    Definition Classes
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    @native() @throws( ... )

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