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- Some additional mathematical operations
- Narrative:
- Our lisp interpreter should be able to
- perform those maths operations.
- Scenario: built-in operators
- Given a lisp interpreter
- When the expression entered is <expression>
- Then the result should be <result>
- Examples:
- |expression |result|
- |(- (+ 2 3))|-5|
- |(- 9 20)|-11|
- |(- (+ (* 2 3) (/ 9 3)) 20)|-11|
- |(- 9 (* 4 5))|-11|
- |(- (* 4 5) 9)|11|
- |(- (+ (* 2 3) (/ 9 3)) (* 4 5))|-11|
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