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Copyright (c) 2002-2025, LAMP/EPFL
Copyright (c) 2002-2025, LAMP/EPFL
scala.quoted.Varargs
Expression representation of literal sequence of expressions.
Varargs
can be used to create the an expression args
that will be used as varargs '{ f($args: _*) }
or it can be used to extract all the arguments of the a varargs.
Attributes
Source
Varargs.scala
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Lifts this sequence of expressions into an expression of a sequence
Lifts this sequence of expressions into an expression of a sequence
Transforms a sequence of expression Seq(e1, e2, ...)
where ei: Expr[T]
to an expression equivalent to '{ Seq($e1, $e2, ...) }
typed as an Expr[Seq[T]]
Usage:
def f (using Quotes ) = {
import quotes.reflect.*
'{ List (${Varargs (List ('{1 }, '{2 }, '{3 }))}: _ *) }
}
Attributes
Source
Varargs.scala
Matches a literal sequence of expressions and return a sequence of expressions.
Matches a literal sequence of expressions and return a sequence of expressions.
Usage:
inline def sum (args: Int * ): Int = ${ sumExpr('args) }
def sumExpr (argsExpr: Expr [Seq [Int ]] )(using Quotes ): Expr [Int ] = argsExpr match
case Varargs (argVarargs) => ???
Attributes
Source
Varargs.scala