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Diffstat (limited to 'structopt/examples/example.rs')
-rw-r--r-- | structopt/examples/example.rs | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/structopt/examples/example.rs b/structopt/examples/example.rs deleted file mode 100644 index 7a9a514..0000000 --- a/structopt/examples/example.rs +++ /dev/null @@ -1,54 +0,0 @@ -//! Somewhat complex example of usage of structopt. - -use structopt::StructOpt; - -#[derive(StructOpt, Debug)] -#[structopt(name = "example")] -/// An example of StructOpt usage. -struct Opt { - // A flag, true if used in the command line. - #[structopt(short, long)] - /// Activate debug mode - debug: bool, - - // An argument of type float, with a default value. - #[structopt(short, long, default_value = "42")] - /// Set speed - speed: f64, - - // Needed parameter, the first on the command line. - /// Input file - input: String, - - // An optional parameter, will be `None` if not present on the - // command line. - /// Output file, stdout if not present - output: Option<String>, - - // An optional parameter with optional value, will be `None` if - // not present on the command line, will be `Some(None)` if no - // argument is provided (i.e. `--log`) and will be - // `Some(Some(String))` if argument is provided (e.g. `--log - // log.txt`). - #[structopt(long)] - #[allow(clippy::option_option)] - /// Log file, stdout if no file, no logging if not present - log: Option<Option<String>>, - - // An optional list of values, will be `None` if not present on - // the command line, will be `Some(vec![])` if no argument is - // provided (i.e. `--optv`) and will be `Some(Some(String))` if - // argument list is provided (e.g. `--optv a b c`). - #[structopt(long)] - optv: Option<Vec<String>>, - - // Skipped option: it won't be parsed and will be filled with the - // default value for its type (in this case it'll be an empty string). - #[structopt(skip)] - skipped: String, -} - -fn main() { - let opt = Opt::from_args(); - println!("{:?}", opt); -} |