code: function check(node) {
              if (TARGET_NODE_TYPE.test(node.parent.type) &&
                  isMixedWithParent(node) &&
                  !shouldIgnore(node)
              ) {
                  reportBothOperators(node);
              }
          }
docs: Checks between the operator of this node and the operator of the
  parent node.
  
  @param {ASTNode} node - A node to check.
  @returns {void}