Macro log_time 

macro_rules! log_time {
    ($($expr:tt)*) => { ... };
}

Times the execution of code and automatically logs the duration to stderr.

This is a convenience macro that combines format_time! with automatic logging. It times the execution of code and prints the timing information to stderr, returning only the result of the executed code.

Examples

Single operation with message

use arbitime::log_time;
 
let result = log_time!("Database query" => {
    // Simulate some work
    42
});
// Prints: "Database query - Execution time: ..."
assert_eq!(result, 42);

Simple timing without custom message

use arbitime::log_time;
 
let result = log_time! {
    (1..=100).sum::<u32>()
};
// Prints: "Execution time: ..."

Output

All timing information is printed to stderr using eprintln!.

Returns

The result of the executed code (type T).