shelly-shell 0.5.4

A Rust based Unix style shell with a typed and structured language syntax.
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check_repl ["id": "DEFAULT-RETURNS", "name": "Default unit returns and recovery", "steps": [
    ['fn answer(): Integer { 7 }', "quiet", ""],
    ['fn answer() { 42 }', "error", "Expected None, got Integer"],
    ['echo (answer)', "output", "7"],
    ['fn action() {}; let $action: fn() = `action; echo ($action)', "output", "()"],
    ['fn action() { return 1 }', "error", "Expected None, got Integer"],
    ['echo ($action)', "output", "()"],
    ['let $bad = fn () { "wrong" }', "error", "Expected None, got String"],
    ['let $value = fn ($x): any { $x }; echo ($value "valid")', "output", "valid"],
    ['fn dynamic($x) { $x }; dynamic "wrong"', "error", "return value"],
    ['echo (answer)', "output", "7"],
    ['fn Integer::bump() { $self = $self + 1 }; let $n = 2', "quiet", ""],
    ['let $bound: fn() = `$n.bump; echo ($bound) $n', "output", "() 3"],
    ['fn Integer::bump() { $self }; echo $n.bump', "error", "Expected None, got Integer"],
    ['echo ($bound) $n', "output", "() 4"],
], "exit": 0]