feat: add use clap

demo/test_clap/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "test_clap"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rust_util = { version = "0.6", path = "../../", features = ["use_clap"] }
+clap = "2.0"

demo/test_clap/src/main.rs

@@ -0,0 +1,24 @@
+use clap::{App, SubCommand, ArgMatches};
+use rust_util::util_clap::Command;
+use rust_util::util_clap::CommandError;
+use rust_util::util_clap::CommandExecutor;
+
+struct TestCommand{}
+impl Command for TestCommand {
+    fn name(&self) -> &str { "test" }
+    
+    fn subcommand<'a>(&self) -> App<'a, 'a> {
+        SubCommand::with_name(self.name()).about("Test subcommand")
+    }
+
+    fn run(&self, _arg_matches: &ArgMatches, _: &ArgMatches) -> CommandError {
+        println!("hello test!");
+        Ok(None)
+    }
+}
+
+fn main() {
+    let mut c = CommandExecutor::new(None);
+    c.add(Box::new(TestCommand{}));
+    c.run().unwrap();
+}