IntersectionOperation.ceylon
"A set intersection expression.
Defined via [[Set.intersection]]. Left-associative.
Examples:
persistents&printables&identifiables
x1&y1"
see (`class IntersectAssignmentOperation`)
shared class IntersectionOperation(leftOperand, rightOperand)
extends SetOperation() {
"The left intersected set."
shared actual IntersectingExpression leftOperand;
"The right intersected set."
shared actual InvertingExpression rightOperand;
shared actual [IntersectingExpression, InvertingExpression] children = [leftOperand, rightOperand];
operator = "&";
shared actual Result transform<out Result>(Transformer<Result> transformer)
=> transformer.transformIntersectionOperation(this);
shared actual Boolean equals(Object that) {
if (is IntersectionOperation that) {
return leftOperand == that.leftOperand && rightOperand == that.rightOperand;
} else {
return false;
}
}
shared actual Integer hash
=> 31 * (leftOperand.hash + 31 * rightOperand.hash);
shared IntersectionOperation copy(IntersectingExpression leftOperand = this.leftOperand, InvertingExpression rightOperand = this.rightOperand) {
value ret = IntersectionOperation(leftOperand, rightOperand);
copyExtraInfoTo(ret);
return ret;
}
}