Return whether the specified longTag is valid for this option.
Declared in <balcl_option.h>
bool
isLongTagValid(
char const* longTag,
std::ostream& stream) const;Return true if the specified longTag is valid for this option, leaving the specified stream unaffected; otherwise, write a diagnostic message to stream and return false.
true if longTag is valid, and false otherwise
| Name | Description |
|---|---|
| longTag | long option tag to validate |
| stream | diagnostic output stream |