---
name: "__gnu_parallel::__replace_if_selector"
section: "3"
platform: "linux"
package: "gcc"
version: "16.2.1+r23+gd564253eb6c8-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/__gnu_parallel::__replace_if_selector"
---

# \_\_gnu\_parallel::\_\_replace\_if\_selector(3)

std::replace() selector.

## NAME

\_\_gnu\_parallel::\_\_replace\_if\_selector\< \_It, \_Op, \_Tp \> - std::replace() selector.

## SYNOPSIS

\#include \<for\_each\_selectors.h\>

Inherits **\_\_gnu\_parallel::\_\_generic\_for\_each\_selector\< \_It \>**.

### Public Member Functions

**\_\_replace\_if\_selector** (const \_Tp &**\_\_new\_val**)\
 Constructor.  bool **operator()** (\_Op &\_\_o, \_It \_\_i)\
 Functor execution.

### Public Attributes

const \_Tp & **\_\_new\_val**\
 Value to replace with.  \_It **\_M\_finish\_iterator**\
 \_Iterator on last element processed; needed for some algorithms (e. g. std::transform()).

## Detailed Description

### template\<typename \_It, typename \_Op, typename \_Tp\>

struct \_\_gnu\_parallel::\_\_replace\_if\_selector\< \_It, \_Op, \_Tp \>"std::replace() selector.

## Constructor & Destructor Documentation

### template\<typename \_It, typename \_Op, typename \_Tp\> \_\_gnu\_parallel::\_\_replace\_if\_selector\< \_It, \_Op, \_Tp \>::\_\_replace\_if\_selector (const \_Tp & \_\_new\_val) \[inline\], \[explicit\]

Constructor.

**Parameters**

**\_\_new\_val Value to replace with.**

**References \_\_new\_val.**

## Member Function Documentation

### template\<typename \_It, typename \_Op, typename \_Tp\> bool \_\_gnu\_parallel::\_\_replace\_if\_selector\< \_It, \_Op, \_Tp \>::operator() (\_Op & \_\_o, \_It \_\_i) \[inline\]

**Functor execution.**

**Parameters**

*\_\_o* **Operator.** \
 *\_\_i* **iterator referencing object.**

**References \_\_new\_val.**

## Member Data Documentation

### template\<typename \_It, typename \_Op, typename \_Tp\> const \_Tp& \_\_gnu\_parallel::\_\_replace\_if\_selector\< \_It, \_Op, \_Tp \>::\_\_new\_val

**Value to replace with.**

**Referenced by \_\_replace\_if\_selector(), and operator()().**

### template\<typename \_It\> \_It \_\_gnu\_parallel::\_\_generic\_for\_each\_selector\< \_It \>::\_M\_finish\_iterator \[inherited\]

**\_Iterator on last element processed; needed for some algorithms (e. g. std::transform()).**

## Author

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