---
name: "__gnu_profile::__hashfunc_info"
section: "3cxx"
platform: "linux"
package: "libstdc++-9-doc"
version: "9.3.0-22"
release: "Debian 11 (Bullseye)"
platforms: ["linux"]
url: "https://new.carta.tech/__gnu_profile::__hashfunc_info"
---

# \_\_gnu\_profile::\_\_hashfunc\_info(3cxx)

A hash performance instrumentation line in the object table.

## NAME

\_\_gnu\_profile::\_\_hashfunc\_info - A hash performance instrumentation line in the object table.

## SYNOPSIS

Inherits **\_\_gnu\_profile::\_\_object\_info\_base**.

Inherited by **\_\_gnu\_profile::\_\_hashfunc\_stack\_info**.

### Public Member Functions

**\_\_hashfunc\_info** (\_\_stack\_t \_\_stack)\
 **std::string** **\_\_advice** () const\
 void **\_\_destruct** (std::size\_t \_\_chain, std::size\_t \_\_accesses, std::size\_t \_\_hops)\
 bool **\_\_is\_valid** () const\
 float **\_\_magnitude** () const\
 void **\_\_merge** (const **\_\_hashfunc\_info** &\_\_o)\
 void **\_\_merge** (const **\_\_object\_info\_base** &\_\_o)\
 void **\_\_set\_invalid** ()\
 \_\_stack\_t **\_\_stack** () const\
 void **\_\_write** (FILE \*\_\_f) const\

### Protected Attributes

\_\_stack\_t **\_M\_stack**\
 bool **\_M\_valid**\

## Detailed Description

A hash performance instrumentation line in the object table.

Definition at line 40 of file profiler\_hash\_func.h.

## Author

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