Trying out structopt based on yoshuawuyt's example
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extern crate structopt; | |
#[macro_use] | |
extern crate structopt_derive; | |
use structopt::StructOpt; | |
#[derive(StructOpt, Debug)] | |
#[structopt()] | |
enum Cmds { | |
#[structopt(name = "add")] | |
/// Add a thing. | |
Add { | |
#[structopt(short = "i")] | |
interactive: bool, | |
#[structopt(short = "p")] | |
patch: bool, | |
files: Vec<String>, | |
}, | |
#[structopt(name = "fetch")] | |
/// Fetch a thing. | |
Fetch { | |
#[structopt(long = "dry-run")] | |
dry_run: bool, | |
#[structopt(long = "all")] | |
all: bool, | |
repository: Option<String>, | |
}, | |
#[structopt(name = "commit")] | |
/// Commit a thing. | |
Commit { | |
#[structopt(short = "m")] | |
message: Option<String>, | |
#[structopt(short = "a")] | |
all: bool, | |
}, | |
} | |
fn main() { | |
let mut args = Cmds::from_args(); | |
match &args { | |
&Cmds::Add { .. } => { | |
// this is where we'd pass the struct to some_function | |
// I thought this would require NLL, but it seems not! | |
do_mut(&mut args); | |
} | |
&Cmds::Fetch { .. } => { | |
// this is where we'd pass the struct to some_other_function | |
println!("{:?}", args); | |
} | |
&Cmds::Commit { .. } => { | |
println!("Commit: {:?}", args); | |
} | |
}; | |
} | |
/// Some fn that takes a mutable reference. | |
fn do_mut(arg: &mut Cmds) { | |
// Do something here. | |
println!("Args are: {:?}", arg); | |
} |
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