next up previous contents index
Next: ArithmeticType Up: AdditiveType Previous: add!,minus!   Contents   Index


zero?


Usage

zero? x


Signature

zero?: % $\to$ Boolean


Parameter Type Description
x % an element of the type


Returns

Returns the result of $x = 0$ using the semantics of $=$ of the type.



Manuel Bronstein 2004-06-28