ruchy 4.2.1

A systems scripting language that transpiles to idiomatic Rust with extreme quality engineering
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// Example: Issue #119 - Builtin functions evaluate arguments exactly once
//
// Demonstrates that println() and other builtins no longer double-evaluate arguments
// after the fix to interpreter.rs (converts name to __builtin_NAME__ format)

let mut counter = 0
fun increment() {
    counter = counter + 1
    counter
}

println("=== Issue #119: Single Evaluation Test ===")
println("Each println should call increment() exactly ONCE")

// Each println should call increment() exactly ONCE
println("Call 1: " + increment().to_string())  // Should output: 1 (not 2)
println("Call 2: " + increment().to_string())  // Should output: 2 (not 4)
println("Call 3: " + increment().to_string())  // Should output: 3 (not 6)
println("Final counter: " + counter.to_string())  // Should output: 3 (not 6)

println("✅ Issue #119 VERIFIED: Functions called exactly once per builtin call!")