Macro uucore_procs::help_usage
source · help_usage!() { /* proc-macro */ }
Expand description
Get the usage from the help file.
The usage is assumed to be surrounded by markdown code fences. It may span
multiple lines. The first word of each line is assumed to be the name of
the util and is replaced by “{}” so that the output of this function can be
used with uucore::format_usage
.