---
name: "std::tr1::_Has_result_type_helper"
section: "3cxx"
platform: "linux"
package: "libstdc++6-4.4-doc"
version: "4.4.5-8"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/std::tr1::_Has_result_type_helper/3cxx"
---

# std::tr1::\_Has\_result\_type\_helper(3cxx)

## NAME

std::tr1::\_Has\_result\_type\_helper -

## SYNOPSIS

Inherits std::tr1::\_\_sfinae\_types.

### Static Public Attributes

static const bool **value**\

### Private Types

typedef char **\_\_one**\

## Detailed Description

### template\<typename \_Tp\> class std::tr1::\_Has\_result\_type\_helper\< \_Tp \>

Actual implementation of \_Has\_result\_type, which uses SFINAE to determine if the type \_Tp has a publicly-accessible member type result\_type.

Definition at line 43 of file tr1\_impl/functional.

## Author

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