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bfa02fd418
This ports our example testing over to [trycmd](https://docs.rs/) so we can: - More thoroughly test our examples - Provide always-up-to-date example usage The old way of testing automatically picked up examples. This new way requires we have a `.md` file that uses the example in some way. Notes: - Moved overall example description to the `.md` file - I added cross-linking between related examples - `14_groups` had a redundant paragraph (twice talked about "one and only one"
1.1 KiB
1.1 KiB
You can use AppSettings to change the application level behavior of clap. app.setting() function
takes AppSettings enum as argument. You can learn more about AppSettings in the
documentation, which also has examples on each setting.
This example will only show usage of one AppSettings setting. See documentation for more information.
Something is required:
$ 16_app_settings
? failed
error: The following required arguments were not provided:
<input>
USAGE:
16_app_settings[EXE] <input>
16_app_settings[EXE] <SUBCOMMAND>
For more information try --help
It can either be an argument:
$ 16_app_settings input.txt
The input file is: input.txt
Or the test subcommand:
$ 16_app_settings test
The 'test' subcommand was used
And see what this looks like in the help:
$ 16_app_settings --help
myapp
USAGE:
16_app_settings[EXE] <input>
16_app_settings[EXE] <SUBCOMMAND>
ARGS:
<input> input file to use
OPTIONS:
-h, --help Print help information
SUBCOMMANDS:
help Print this message or the help of the given subcommand(s)
test does some testing