⚡️ Introduced underscores _ as unused variable identifiers in foreach and let statements, as well as in catch () clauses

try {
    // If you don't need the return value
    let _ = myReturnIsUseless();

    // If you found yourself looking for map length,
    // and don't care about neither keys nor values
    let counter = 0;
    foreach (_, _ in map) {
        counter += 1;
    }

// If you never wanted that exit code anyways
catch (_) { }

🧑‍🍳 Contributor: Gusarich
🐙 Implementation: #338
🍣 Released in: v1.4.0

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