celeritas::StreamableLazy< F > Struct Template Reference

Lazily evaluate a functor that streams content. More...

#include <StreamableLazy.hh>

Public Attributes
F	func

Friends
std::ostream &	operator<< (std::ostream &os, StreamableLazy const &lazy)
	Write to stream.
std::string	to_string (StreamableLazy const &svar)
	Save as a string.

Detailed Description

template<class F>
struct celeritas::StreamableLazy< F >

Lazily evaluate a functor that streams content.

Example:

std::cout << StreamableLazy{[]() {
     return do_something_expensive_and_printable();
 }} << std::endl;

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The documentation for this struct was generated from the following file:

• StreamableLazy.hh