BloombergLP::bslfmt::MockParseContext::next_arg_id

Enter automatic indexing mode and return the next argument index. Throw bslfmt::format_error if this object has already entered manual indexing mode.

Synopsis

Declared in <bslfmt_mockparsecontext.h>

constexpr
size_t
next_arg_id();

Return Value

the index of the next unused argument