trait Opt[+A] extends AnyRef
An option definition.
An instance of this class is typically constructed using the DSL when binding a processor function to an OptName using the ~> and ~>+ methods.
- A
the value type
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Abstract Value Members
- abstract def default: Option[A]
Returns the optional default value.
Returns the optional default value.
- returns
a
Some
containing the default value orNone
if not specified
- abstract def lname: Option[String]
Returns the optional long name.
Returns the optional long name.
- returns
a
Some
containing the long name orNone
if not specified
- abstract def processor: OptProcessor[A]
Returns the option processor.
Returns the option processor.
- returns
the option processor
- abstract def set[B >: A](value: B, optv: Map[String, Any]): Map[String, Any]
Returns a copy of the option value map in which the given value is associated with both long and short names, where applicable.
- abstract def sname: Option[Char]
Returns the optional short name.
Returns the optional short name.
- returns
a
Some
containing the short name orNone
if not specified
- abstract def ~~[B >: A](default: B): Opt[B]
Returns a new option with a default value.
Returns a new option with a default value.
- B
the value type
- default
the default value
- returns
a new option with
default
as the default value
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- val name: String
Returns the canonical name.
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