simple_macro_test/
simple_macro_test.rs

1//! A simple example demonstrating the cli_args! macro.
2//!
3//! This example shows how the cli_args! macro can dramatically reduce
4//! boilerplate code for argument parsing while maintaining type safety.
5
6use cli_command::{cli_args, parse_command_line};
7
8fn main() -> Result<(), Box<dyn std::error::Error>> {
9    println!("🔧 Simple CLI Args Macro Demo");
10    println!();
11
12    let (name, age, email, port) = cli_args!(
13        name: String = "Anonymous".to_string(),
14        age: u32 = 25,
15        email: String = "user@example.com".to_string(),
16        port: u16 = 8080
17    );
18
19    let cmd = parse_command_line()?;
20    let is_active = cmd.contains_argument("is-active");
21
22    println!("📋 Parsed Arguments:");
23    println!("   Name: {}", name);
24    println!("   Age: {}", age);
25    println!("   Email: {}", email);
26    println!("   Active: {}", is_active);
27    println!("   Port: {}", port);
28
29    println!();
30    println!("✨ Notice how the cli_args! macro eliminated this boilerplate:");
31    println!("   let name = cmd.get_argument_or_default(\"name\", \"Anonymous\".to_string())?;");
32    println!("   let age = cmd.get_argument_or_default(\"age\", 25)?;");
33    println!(
34        "   let email = cmd.get_argument_or_default(\"email\", \"user@example.com\".to_string())?;"
35    );
36    println!("   let is_active = cmd.get_argument_or_default(\"is_active\", true)?;");
37    println!("   let port = cmd.get_argument_or_default(\"port\", 8080)?;");
38
39    println!();
40    println!("🚀 Try running with different arguments:");
41    println!("   cargo run --example simple_macro_test -- --name Alice --age 30 --port 3000");
42    println!("   cargo run --example simple_macro_test -- --name Bob --email bob@company.com --is-active false");
43
44    Ok(())
45}
simple_macro_test/simple_macro_test.rs

simple_macro_test/
simple_macro_test.rs
