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Require argument, else display help

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Signed-off-by: Marko Korhonen <marko.korhonen@reekynet.com>
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Marko Korhonen 2020-01-19 23:16:32 +02:00
parent 8aedc96c67
commit 8d25715e55
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GPG key ID: 911B85FBC6003FE5
1 changed files with 2 additions and 1 deletions
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3
src/cli.rs
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@ -1,11 +1,12 @@
extern crate clap; extern crate clap;
use clap::{App, Arg}; use clap::{App, AppSettings, Arg};
pub fn get_args() -> clap::ArgMatches<'static> { pub fn get_args() -> clap::ArgMatches<'static> {
App::new("LiQuid Screen Dim") App::new("LiQuid Screen Dim")
.version(env!("CARGO_PKG_VERSION")) .version(env!("CARGO_PKG_VERSION"))
.author(env!("CARGO_PKG_AUTHORS")) .author(env!("CARGO_PKG_AUTHORS"))
.about(env!("CARGO_PKG_DESCRIPTION")) .about(env!("CARGO_PKG_DESCRIPTION"))
.setting(AppSettings::ArgRequiredElseHelp)
.arg( .arg(
Arg::with_name("dim") Arg::with_name("dim")
.long("dim") .long("dim")