If the first character of the specified *specInOut is recognized by this specifier formatter, parse it, remove it from *specInOut, and return true, otherwise return false with no modification to *specInOut. The behavior is undefined if *specInOut is empty.
Declared in <bdlt_dateformatter.h>
constexpr
bool
parseNextSpecifier(bsl::basic_string_view<t_CHAR>* specInOut);