Usage

• consteval declaration specifier
• lambda-declarator that explicitly specifies the function call to be an immediate function

Notes

Feature-test macro	Value	Std	Feature
__cpp_consteval	201811L	(C++20)	Immediate functions
	202211L	(C++23) (DR20)	Making consteval propagate up

See also

• if statement: if, else
• constexpr if statement: constexpr (constexpr if statement)
• switch statement: case, default (as the declaration of the default case label), switch
• goto statement: goto
• continue statement: continue
• break statement: break
• return statement: return, co_return
• do-while loop and while loop: do, while
• for loop and range-based for loop: for