ValDefModule

Methods of the module object val ValDef

Source:
Quotes.scala
class Object
trait Matchable
class Any

Value members

Abstract methods

def apply(symbol: Symbol, rhs: Option[Term]): ValDef

Create a value definition val x, var x or lazy val x with the signature defined in the symbol.

Create a value definition val x, var x or lazy val x with the signature defined in the symbol.

The rhs should return be Some containing the implementation of the method. Returns None the method has no implementation. Any definition directly inside the implementation should have symbol as owner.

Use Symbol.asQuotes to create the rhs using quoted code.

See also: Tree.changeOwner

Source:
Quotes.scala
def copy(original: Tree)(name: String, tpt: TypeTree, rhs: Option[Term]): ValDef
def let(owner: Symbol, name: String, rhs: Term)(body: Ref => Term): Term

Creates a block { val <name> = <rhs: Term>; <body(x): Term> }

Creates a block { val <name> = <rhs: Term>; <body(x): Term> }

Usage:

ValDef.let(owner, "x", rhs1) { x =>
  ValDef.let(x.symbol.owner, "y", rhs2) { y =>
    // use `x` and `y`
  }
}
Source:
Quotes.scala
def let(owner: Symbol, terms: List[Term])(body: List[Ref] => Term): Term

Creates a block { val x1 = <terms(0): Term>; ...; val xn = <terms(n-1): Term>; <body(List(x1, ..., xn)): Term> }

Creates a block { val x1 = <terms(0): Term>; ...; val xn = <terms(n-1): Term>; <body(List(x1, ..., xn)): Term> }

Usage:

ValDef.let(owner, rhsList) { xs =>
   ...
}
Source:
Quotes.scala

Concrete methods

def let(owner: Symbol, rhs: Term)(body: Ref => Term): Term

Creates a block { val x = <rhs: Term>; <body(x): Term> }

Creates a block { val x = <rhs: Term>; <body(x): Term> }

Usage:

ValDef.let(owner, rhs1) { x =>
  ValDef.let(owner, rhs2) { y =>
    // use `x` and `y`
  }
}
Source:
Quotes.scala