shelly-shell 0.5.2

A Rust based Unix style shell with a typed and structured language syntax.
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# Struct invalid assignments are atomic
check_repl ["id": "R040",
    "name": "Struct invalid assignments are atomic",
    "steps": [["struct Child { n: Number }; struct Root { groups: [String: [Child]], opts: optional Number }; let \$r = Root(groups: [\"x\": [Child(n: 1)]])", "quiet", ""], ["\$r.groups[\"x\"][0].n = \"bad\"", "error", ""], ["echo \$r.groups[\"x\"][0].n", "output", "1"], ["\$r.groups[2] = [Child(n: 3)]", "error", ""], ["echo \$r.groups[2]", "output", "()"], ["\$r.groups[\"new\"] = [Child(n: 4), \"bad\"]", "error", ""], ["echo \$r.groups[\"new\"]", "output", "()"], ["\$r.opts = \"bad\"", "error", ""], ["echo \$r.opts", "output", "()"], ["\$r.groups[\"x\"][0].missing = 9", "error", ""], ["echo \$r.groups[\"x\"][0].n", "output", "1"], ["\$r.groups[\"x\"][0].n = 8; echo \$r.groups[\"x\"][0].n", "output", "8"]],
    "exit": 0]