FunctionDec.ceylon
"A function reference expression, that is,
the [[name]] of a function or method, optionally qualified by a [[qualifier]] (separated from it by a member operator ‘`.`’),
prefixed by the member keyword `function` and surrounded by backticks.
Examples:
`function concatenate`
`function Iterable.chain`"
shared class FunctionDec(name, qualifier = null)
extends MemberDec() {
shared actual LIdentifier name;
shared actual DecQualifier? qualifier;
keyword = "function";
shared actual <DecQualifier|LIdentifier>[] children = concatenate(emptyOrSingleton(qualifier), [name]);
shared actual Result transform<out Result>(Transformer<Result> transformer)
=> transformer.transformFunctionDec(this);
shared actual Boolean equals(Object that) {
if (is FunctionDec that) {
if (exists qualifier) {
if (exists qualifier_ = that.qualifier) {
return qualifier == qualifier_ && name == that.name;
} else {
return false;
}
} else {
if (!(that.qualifier exists)) {
return name == that.name;
} else {
return false;
}
}
} else {
return false;
}
}
shared actual Integer hash
=> 31 * (name.hash + 31 * (qualifier?.hash else 0));
shared FunctionDec copy(LIdentifier name = this.name, DecQualifier? qualifier = this.qualifier) {
value ret = FunctionDec(name, qualifier);
copyExtraInfoTo(ret);
return ret;
}
}