Extracts the error message from a result.
Synopsis
Declared in <util/result.h>
template<typename FT>
bilingual_str
ErrorString(Result<FT> const& result);|
Note
|
This function is a hidden friend of Result, declared only inside that class: it can be found only through argument-dependent lookup. |
Return Value
the stored error message, or an empty string when the result holds a value
Parameters
Name |
Description |
result |
the result to inspect |
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