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How to specify crates to rustc in command-line? [duplicate]
I'm trying to use rand::random function in Rust:
use rand::random;
fn main(){
println!("{}",rand::random::<f64>());
}
It didn't work, the rand crate was not installed by default. So I ...
2
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3
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Is there a way to make clap treat -? the same way as -h?
The clap crate implements built-in behaviour for the -h option, but it doesn't seem to do the same for -?. Is there a way to tell it to do so?