impl clap::CommandFactory for DeriveConfig { fn into_app<'b>() -> clap::Command<'b> { let __clap_app = clap::Command::new("clap3"); <Self as clap::Args>::augment_args(__clap_app) } fn into_app_for_update<'b>() -> clap::Command<'b> { let __clap_app = clap::Comma...
我认为您可能遗漏了clap(显然)在解析字符串切片数组时所需的第一个参数,即二进制名称/路径。使用上面...
通过将子命令 Package 在Option中进行修改,使其成为可选:
Clap Version 4.5.3 Minimal reproducible code it's a documentation bug Steps to reproduce the bug with the above code it's a documentation bug go to https://docs.rs/clap/latest/clap/_derive/_tutorial/chapter_4/index.html and scroll to the bottom, then click the link labed table_of_conte...
Implement derive(clap::Args) support for enum types, where each variant is a mutually exclusive ArgGroup. Relevant discussion and motivation for this PR is in #2621. Impl notes: At the moment this...
您可以通过调用CommandFactorytrait提供的command()来访问从您的属性生成的Command:
我认为您可能遗漏了clap(显然)在解析字符串切片数组时所需的第一个参数,即二进制名称/路径。使用上面...
上面的代码非常简洁,怎么做到的呢?其实就是通过rust的 derive macro来实现上面V2版本中我们手动写的那堆builder api的代码; 上面的#[derive(Parser)] #[clap(long...)]... 相当于做了一些配置,用于编写derive宏时根据配置生成代码。 查看宏生成的代码 ...
We can't guarantee DeriveDIsplayOrder will be set before calls to App::arg. For example, clap_derive applies nearly all app methods after calls to App::arg. "can't" is quoted because this is software, there is always something we could do. For example, we could special case this ...
#[derive(Debug, Subcommand)] @@ -338,6 +344,40 @@ enum ComponentSubcmd { }, } #[derive(Debug, Subcommand)] #[command( after_help = OVERRIDE_HELP, arg_required_else_help = true, subcommand_required = true, )] enum OverrideSubcmd { /// List directory toolchain overrides List, //...