C++ keyword: `default`

Usage

switch statement: as the declaration of the default case label

explicitly-defaulted function definition: as an explicit instruction to the compiler to generate special member function or a comparison operator(since C++20) for a class.

(since C++11)

See also

if statement: if, else

`constexpr` `if` statement: `constexpr` (`constexpr` `if` statement)	(since C++17)
`consteval` `if` statement: `consteval` (`consteval` `if` statement)	(since C++23)

switch statement: switch, case
goto statement: goto
continue statement: continue
break statement: break
return statement: return

co_return statement (return from a coroutine): co_return

(since C++20)

do-while loop and while loop: do, while
for loop and range-based for loop: for

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