gnab

macro random {
    case { _ ($expr:expr (,) ...) } => {
        var matches = match.patternEnv.$expr.match;
        var randomIndex = Math.floor(Math.random() * matches.length);
        var randomMatch = matches[randomIndex].match;
        return randomMatch
    }
}
 
random(console.log(1), console.log(2), console.log(3))