scala3-compiler-bootstrapped/dotty.tools.dotc.typer/Deriving/Deriver

Deriver

class Deriver(cls: ClassSymbol, codePos: SrcPos)(using x$3: Context)

A helper class to derive type class instances for one class or object

Value Params
cls

The class symbol of the class or object with a derives clause

codePos

The default position that should be given to generic synthesized infrastructure code that is not connected with a derives instance.

class Object
trait Matchable
class Any

Value members

Concrete methods

def enterDerived(derived: List[Tree]): Unit

Create symbols for derived instances and infrastructure, append them to synthetics buffer, and enter them into class scope. Also, add generic instances if needed.

Create symbols for derived instances and infrastructure, append them to synthetics buffer, and enter them into class scope. Also, add generic instances if needed.

def finalize(stat: TypeDef): Tree
def syntheticDefs: List[Tree]

The synthesized type class instance definitions

The synthesized type class instance definitions