parse/0: instruction: 1 parse/0: ingredient: {name: "0", value: 0, type: 0, properties: [0: literal]} parse/0: product: {name: "_", value: 0, type: 0, properties: [_: dummy]} parse/0: product: {name: "x", value: 0, type: 1, properties: [x: integer]} name/0: assign x 1 after-brace/0: recipe main after-brace/0: copy ... run/0: instruction main/0 run/0: ingredient 0 is 0