diff options
Diffstat (limited to '')
-rw-r--r-- | vendor/clap/examples/escaped-positional.md | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/vendor/clap/examples/escaped-positional.md b/vendor/clap/examples/escaped-positional.md new file mode 100644 index 000000000..d94e3993c --- /dev/null +++ b/vendor/clap/examples/escaped-positional.md @@ -0,0 +1,60 @@ +**This requires enabling the [`cargo` feature flag][crate::_features].** + +You can use `--` to escape further arguments. + +Let's see what this looks like in the help: +```console +$ escaped-positional --help +A simple to use, efficient, and full-featured Command Line Argument Parser + +Usage: escaped-positional[EXE] [OPTIONS] [-- <SLOP>...] + +Arguments: + [SLOP]... + +Options: + -f + -p <PEAR> + -h, --help Print help + -V, --version Print version + +``` + +Here is a baseline without any arguments: +```console +$ escaped-positional +-f used: false +-p's value: None +'slops' values: [] + +``` + +Notice that we can't pass positional arguments before `--`: +```console +$ escaped-positional foo bar +? failed +error: unexpected argument 'foo' found + +Usage: escaped-positional[EXE] [OPTIONS] [-- <SLOP>...] + +For more information, try '--help'. + +``` + +But you can after: +```console +$ escaped-positional -f -p=bob -- sloppy slop slop +-f used: true +-p's value: Some("bob") +'slops' values: ["sloppy", "slop", "slop"] + +``` + +As mentioned, the parser will directly pass everything through: +```console +$ escaped-positional -- -f -p=bob sloppy slop slop +-f used: false +-p's value: None +'slops' values: ["-f", "-p=bob", "sloppy", "slop", "slop"] + +``` |