---
name: "std::is_invocable_r"
section: "3cxx"
platform: "linux"
package: "libstdc++-12-doc"
version: "12.4.0-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/std::is_invocable_r"
---

# std::is\_invocable\_r(3cxx)

std::is\_invocable\_r

## NAME

std::is\_invocable\_r\< \_Ret, \_Fn, \_ArgTypes \> - std::is\_invocable\_r

## SYNOPSIS

`#include <type_traits>`

Inherits \_\_is\_invocable\_impl::type.

## Detailed Description

### template\<typename \_Ret, typename \_Fn, typename... \_ArgTypes\>

struct std::is\_invocable\_r\< \_Ret, \_Fn, \_ArgTypes \>"std::is\_invocable\_r

## Author

Generated automatically by Doxygen for libstdc++ from the source code.