final case class ConsParser[H, T <: HList, DT <: HList](arg: Arg, argParser: ArgParser[H], default: Option[H], tail: Aux[T, DT]) extends Parser[::[H, T]] with Product with Serializable
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- final def !=(arg0: Any): Boolean
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- val arg: Arg
- val argParser: ArgParser[H]
- val args: Seq[Arg]
Arguments this parser accepts.
Arguments this parser accepts.
Used to generate help / usage messages.
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- ConsParser → Parser
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- val default: Option[H]
- final def detailedParse(args: Seq[String]): Either[Error, (::[H, T], RemainingArgs)]
Keeps the remaining args before and after a possible -- separated
Keeps the remaining args before and after a possible -- separated
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- Parser
- final def eq(arg0: AnyRef): Boolean
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- def finalize(): Unit
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- @throws(classOf[java.lang.Throwable])
- def get(d: D): Either[Error, ::[H, T]]
Get the final result from the final intermediate value.
Get the final result from the final intermediate value.
Typically fails if some mandatory arguments were not specified, so are missing in
d
, preventing building aT
out of it.- returns
in case of success, a
T
wrapped in scala.Right; else, an error message, wrapped in caseapp.core.Error and scala.Left
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- ConsParser → Parser
- final def getClass(): Class[_]
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- def init: D
Initial value used to accumulate parsed arguments.
Initial value used to accumulate parsed arguments.
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- ConsParser → Parser
- final def isInstanceOf[T0]: Boolean
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- final def map[U](f: (::[H, T]) => U): Aux[U, D]
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- Parser
- def mapHead[I](f: (H) => I): Aux[::[I, T], D]
- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- final def parse(args: Seq[String]): Either[Error, (::[H, T], Seq[String])]
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- Parser
- def productElementNames: Iterator[String]
- Definition Classes
- Product
- def step(args: List[String], d: ::[Option[H], (tail)#D]): Either[(Error, List[String]), Option[(D, List[String])]]
Process the next argument.
Process the next argument.
If some arguments were successfully processed (third case in return below), the returned remaining argument sequence must be shorter than the passed
args
.This method doesn't fully process
args
. It tries just to parse *one* argument (typically one option--foo
and its valuebar
, so two elements fromargs
- it can also be only one element in case of a flag), if possible. If you want to fully process a sequence of arguments, seeparse
ordetailedParse
.- returns
if no argument were parsed,
Right(None)
; if an error occurred, an error message wrapped in caseapp.core.Error and scala.Left; else the next intermediate value and the remaining arguments wrapped in scala.Some and scala.Right.
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- ConsParser → Parser
- final def synchronized[T0](arg0: => T0): T0
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- val tail: Aux[T, DT]
- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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- final def withHelp: Parser[WithHelp[::[H, T]]]
Creates a Parser accepting help / usage arguments, out of this one.