Return the argv index where the option with name was first entered.
Declared in <balcl_commandline.h>
int
position(std::string_view const& name) const;
If the option was specified multiple times on the command line, return the position of the first instance. If the option was specified as an environment variable but not on the command line, return -2. If the option was not specified, return -1. The behavior is undefined unless the option is of scalar type.
argv index where the named option was first entered, or a negative sentinel if unset
| Name | Description |
|---|---|
| name | option name to look up |