parse/0: instruction: 1
parse/0:   ingredient: {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
parse/0:   product: {name: "a", value: 0, type: 6, properties: ["a": "point"]}
parse/0: instruction: 1
parse/0:   ingredient: {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
parse/0:   product: {name: "b", value: 0, type: 1, properties: ["b": "integer"]}
name/0: assign a 1
name/0: assign b 3
after-brace/0: recipe main
after-brace/0: copy ...
after-brace/0: copy ...