Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 60 insertions, 0 deletions

diff --git a/vendor/clap/examples/escaped-positional.md b/vendor/clap/examples/escaped-positional.md
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+**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"]
+
+```