SpanFromSubscript.ceylon
"A span-from subscript,
to select a (sub)range from a [[Ranged]] expression
using the [[first index|from]].
Examples:
1...
match.start ..."
see (`function Ranged.spanFrom`)
shared class SpanFromSubscript(from)
extends RangeSubscript() {
"The expression for the first selected index.
See [[Ranged.spanFrom.from]]."
shared AddingExpression from;
shared actual [AddingExpression] children = [from];
shared actual Result transform<out Result>(Transformer<Result> transformer)
=> transformer.transformSpanFromSubscript(this);
shared actual void visit(Visitor visitor)
=> visitor.visitSpanFromSubscript(this);
shared actual Boolean equals(Object that) {
if (is SpanFromSubscript that) {
return from == that.from;
} else {
return false;
}
}
shared actual Integer hash
=> 31 * from.hash;
shared SpanFromSubscript copy(AddingExpression from = this.from) {
value ret = SpanFromSubscript(from);
copyExtraInfoTo(ret);
return ret;
}
}