(std_env: Environment)
| 112 | |
| 113 | |
| 114 | def test_define(std_env: Environment) -> None: |
| 115 | source = '(define answer (* 6 7))' |
| 116 | got = evaluate(parse(source), std_env) |
| 117 | assert got is None |
| 118 | assert std_env['answer'] == 42 |
| 119 | |
| 120 | |
| 121 | def test_lambda(std_env: Environment) -> None: |