Default Constructible Default Constructible Category: utilities Component type: concept Description A type is DefaultConstructible if it has a default constructor, that is, if it is possible to construct an object of that type without initializing the object to any particular value. Refinement of Associated types Notation X A type that is a model of DefaultConstructible x An object of type X Definitions Valid expressions Name Expression Type requirements Return type Default constructor X()   X Default constructor X x; [1]     Expression semantics Name Expression Precondition Semantics Postcondition Default constructor X()       Default constructor X x;       Complexity guarantees Models int vector<double> Notes [1] The form X x = X() is not guaranteed to be a valid expression, because it uses a copy constructor. A type that is DefaultConstructible is not necessarily Assignable See also Assignable Copyright © 1999 Silicon Graphics, Inc. All Rights Reserved. TrademarkInformation

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