Initial vendor packages

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

1 files changed, 52 insertions, 0 deletions

diff --git a/vendor/clap/examples/tutorial_derive/04_04_custom.md b/vendor/clap/examples/tutorial_derive/04_04_custom.md
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+```console
+$ 04_04_custom_derive --help
+A simple to use, efficient, and full-featured Command Line Argument Parser
+
+Usage: 04_04_custom_derive[EXE] [OPTIONS] [INPUT_FILE]
+
+Arguments:
+  [INPUT_FILE]  some regular input
+
+Options:
+      --set-ver <VER>      set version manually
+      --major              auto inc major
+      --minor              auto inc minor
+      --patch              auto inc patch
+      --spec-in <SPEC_IN>  some special input argument
+  -c <CONFIG>              
+  -h, --help               Print help
+  -V, --version            Print version
+
+$ 04_04_custom_derive
+? failed
+error: Can only modify one version field
+
+Usage: clap [OPTIONS] [INPUT_FILE]
+
+For more information, try '--help'.
+
+$ 04_04_custom_derive --major
+Version: 2.2.3
+
+$ 04_04_custom_derive --major --minor
+? failed
+error: Can only modify one version field
+
+Usage: clap [OPTIONS] [INPUT_FILE]
+
+For more information, try '--help'.
+
+$ 04_04_custom_derive --major -c config.toml
+? failed
+Version: 2.2.3
+error: INPUT_FILE or --spec-in is required when using --config
+
+Usage: clap [OPTIONS] [INPUT_FILE]
+
+For more information, try '--help'.
+
+$ 04_04_custom_derive --major -c config.toml --spec-in input.txt
+Version: 2.2.3
+Doing work using input input.txt and config config.toml
+
+```