custom-tracing-logger 0.1.3

A minimal JSON logger for Rust using the tracing ecosystem with one-line initialization
Documentation 
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//! Example showing how #[instrument] works
//! Run with: cargo run --example instrument_example

use tracing::{info, instrument};

#[instrument]
fn process_user(user_id: u64, name: &str) -> String {
    info!("Processing user data");

    // Simulate some work
    std::thread::sleep(std::time::Duration::from_millis(10));

    format!("Processed user: {} (ID: {})", name, user_id)
}

#[instrument]
fn parent_task() {
    info!("Starting parent task");

    let result1 = process_user(123, "Alice");
    info!(result = %result1, "First user processed");

    let result2 = process_user(456, "Bob");
    info!(result = %result2, "Second user processed");

    info!("Parent task completed");
}

fn main() {
    custom_tracing_logger::init();

    info!("=== #[instrument] Example ===");

    // Call instrumented functions
    parent_task();

    info!("=== Example completed ===");

    println!("\n💡 What you see:");
    println!("- 'enter' logs when functions start (with parameters)");
    println!("- 'exit' logs when functions end");
    println!("- All logs include span context with function parameters");
    println!("- Nested function calls show hierarchy");
}