Function deduplicate_constant_name

src/code_actions/extract_constant.rs:349–360

Ensure the generated name doesn't collide with existing constants. If it does, append a numeric suffix.

(name: &str, existing: &[String])

/// Ensure the generated name doesn't collide with existing constants.
/// If it does, append a numeric suffix.
fn deduplicate_constant_name(name: &str, existing: &[String]) -> String {
    if !existing.iter().any(|e| e == name) {
        return name.to_string();
    }
    for i in 1u32.. {
        let candidate = format!("{}_{}", name, i);
        if !existing.iter().any(|e| e == &candidate) {
            return candidate;
        }
    }
    unreachable!()
}

// ─── AST helpers ────────────────────────────────────────────────────────────