SupportsOperation constructor

SupportsOperation(SupportsCondition left, SupportsCondition right, String operator, FileSpan span,)

Implementation

SupportsOperation(this.left, this.right, this.operator, this.span) {
  var lowerOperator = operator.toLowerCase();
  if (lowerOperator != "and" && lowerOperator != "or") {
    throw ArgumentError.value(
        operator, 'operator', 'may only be "and" or "or".');
  }
}