clap print help

notPlancha answered on June 25, 2023 Popularity 3/10 Helpfulness 4/10

answer clap print help

Comment

use clap::CommandFactory;
let mut cmd = Args::command();
cmd.print_help();

using derive and arg_required_else_help

// clap = { version = "4.1.8", features = ["derive"] }

#[derive(Debug, Parser)]
#[command(arg_required_else_help(true))]
struct Args {
    // ...
}

Popularity 3/10 Helpfulness 4/10 Language whatever

Source: Grepper

Tags: clap whatever

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Contributed on Jun 25 2023

notPlancha

0 Answers Avg Quality 2/10

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