rustica 0.12.0

Rustica is a functional programming library for the Rust language.
Documentation 
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use rustica::context;
use rustica::error::with_context_result;
use std::sync::Arc;
use std::sync::atomic::{AtomicBool, Ordering};

#[test]
fn test_lazy_context_evaluation() {
    let was_evaluated = Arc::new(AtomicBool::new(false));
    let was_evaluated_clone = was_evaluated.clone();

    let result: Result<i32, &str> = Ok(42);

    // This should NOT evaluate the context because the result is Ok
    let _ = with_context_result(
        result,
        context!("This should not be evaluated: {}", {
            was_evaluated_clone.store(true, Ordering::SeqCst);
            "failed"
        }),
    );

    assert!(
        !was_evaluated.load(Ordering::SeqCst),
        "Context was evaluated despite success!"
    );
}

#[test]
fn test_lazy_context_evaluation_on_error() {
    let was_evaluated = Arc::new(AtomicBool::new(false));
    let was_evaluated_clone = was_evaluated.clone();

    let result: Result<i32, &str> = Err("oops");

    // This SHOULD evaluate the context because the result is Err
    let _ = with_context_result(
        result,
        context!("Context evaluated: {}", {
            was_evaluated_clone.store(true, Ordering::SeqCst);
            "yes"
        }),
    );

    assert!(
        was_evaluated.load(Ordering::SeqCst),
        "Context was NOT evaluated on error!"
    );
}