rust/src/test/pretty/unary-op-disambig.rs

// Preserve semicolons that disambiguate unops

fn f() { }

fn block_semi() -> int { { f() }; -1 }

fn block_nosemi() -> int { ({ 0 }) - 1 }

fn if_semi() -> int { if true { f() } else { f() }; -1 }

fn if_nosemi() -> int { (if true { 0 } else { 0 }) - 1 }

fn alt_semi() -> int { alt check true { true { f() } }; -1 }

fn alt_no_semi() -> int { (alt check true { true { 0 } }) - 1 }

fn stmt() { { f() }; -1; }