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| | bool_t (bool f=true) |
| | Just set true or false, but leave the error description undefined in case of 'false'. More...
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| | bool_t (const char *pStr) |
| | Set the return value to 'false', and the error string to the specified value. More...
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| | bool_t (const std::string &err) |
| | Set the return value to 'false', and the error string to the specified value. More...
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| | bool_t (const bool_t &b) |
| | Copy constructor. More...
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| bool_t & | operator= (const bool_t &b) |
| | Assignment operator. More...
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| std::string | getErrorString () const |
| | Returns a description of the error. More...
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| | operator bool () const |
| | Returns true or false, depending on the contents of this object. More...
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| bool | success () const |
| | Returns true or false, depending on the contents of this object. More...
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This type is intended to be used as a return value of functions, which return true on success and false on failure. Additionally, when an error is returned, an error description can be set. The error description can be retrieved using the bool_t::getErrorString member function.
To make it easier to use, you can just return an error description, in which case the boolean value of the type will automatically be 'false'.
