Member predicate Expr :: isXValueCategory

Holds if this expression is an xvalue. An xvalue is a location whose lifetime is about to end (e.g. an rvalue reference returned from a function call). See [basic.lval] for more about xvalues.


                            
                                
                                    predicate
                                
                                 
                            
                            
                                isXValueCategory
                            
                            
                                (
                                )