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https://github.com/clap-rs/clap
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befee6667b
This creates distinct tutorial examples from complex feature examples (more how-tos). Both sets are getting builder / derive versions (at least the critical ones).
14 lines
311 B
Rust
14 lines
311 B
Rust
use clap::{app_from_crate, arg};
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fn main() {
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let matches = app_from_crate!()
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.arg(arg!([NAME]).default_value("alice"))
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.get_matches();
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println!(
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"NAME: {:?}",
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matches
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.value_of("NAME")
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.expect("default ensures there is always a value")
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);
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}
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