# PRBool

Boolean value.

## Syntax

```{code}
#include <prtypes.h>

typedef enum { PR_FALSE = 0, PR_TRUE = 1 } PRBool;
```

## Description

Wherever possible, do not use PRBool in Mozilla C++ code. Use standard
C++ `bool` instead.

Otherwise, use {ref}`PRBool` for variables and parameter types. Use
`PR_FALSE` and `PR_TRUE` for clarity of target type in assignments
and actual arguments. Use `if (bool)`, `while (!bool)`,
`(bool) ? x : y`, and so on to test Boolean values, just as you would
C `int`-valued conditions.