DefaultedCallableParameter.ceylon
"A [[callable parameter|CallableParameter]], along with a default implementation for the parameter.
Examples:
Float weight(Item item) => item.cost
void log(String message) => process.writeErrorLine(message);"
see (`class CallableParameter`)
shared class DefaultedCallableParameter(parameter, specifier)
extends DefaultedParameter() {
"The parameter."
shared actual CallableParameter parameter;
"The default implementation."
shared actual LazySpecifier specifier;
shared actual [CallableParameter, LazySpecifier] children = [parameter, specifier];
shared actual Result transform<out Result>(Transformer<Result> transformer)
=> transformer.transformDefaultedCallableParameter(this);
shared actual void visit(Visitor visitor)
=> visitor.visitDefaultedCallableParameter(this);
shared actual Boolean equals(Object that) {
if (is DefaultedCallableParameter that) {
return parameter == that.parameter && specifier == that.specifier;
} else {
return false;
}
}
shared actual Integer hash
=> 31 * (parameter.hash + 31 * specifier.hash);
shared DefaultedCallableParameter copy(CallableParameter parameter = this.parameter, LazySpecifier specifier = this.specifier) {
value ret = DefaultedCallableParameter(parameter, specifier);
copyExtraInfoTo(ret);
return ret;
}
}