< cpp‎ | experimental‎ | ranges
Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Concepts (concepts TS)
Ranges (ranges TS)
Special mathematical functions (special math TR)
Concepts library
Core language concepts
Object concepts
Comparison concepts
Callable concepts
URNG concept
template < class T >
concept bool DefaultConstructible = Constructible<T>;
(ranges TS)

The DefaultConstructible concept provides a shorthand for the common case when the question is whether a type can be constructed with no arguments.

See also

specifies that a variable of the type can be constructed from or bound to a set of argument types
checks if a type has a default constructor
(class template)