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Detailed 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:
X A type that is a model of DefaultConstructible
x An object of type X
Valid Expressions:
NameExpressionType requirementsReturn type
Default constructor X()   X
Default constructor X x; [1]    
Expression Semantics:
Default constructor X()      
Default constructor X x;      
Complexity Guarantees:
Type(s) Modeling this Concept:
[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:

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