(examples-for ++
("increments a variable" (let a 3 (++ a) (++ a) (++ a) a) 6) ("increments a variable by the specified amount" (let a 5 (++ a 3) (++ a 4) (++ a 5) a) 17))
(examples-for ++
("increments a variable" (let a 3 (++ a) (++ a) (++ a) a) 6) ("increments a variable by the specified amount" (let a 5 (++ a 3) (++ a 4) (++ a 5) a) 17))