Contents

isZero

A Boolean value indicating whether the instance is equal to zero.

Declaration

var isZero: Bool { get }

Discussion

The isZero property of a value x is true when x represents either -0.0 or +0.0. x.isZero is equivalent to the following comparison: x == 0.0.

let x = -0.0
x.isZero        // true
x == 0.0        // true

See Also

Querying a Float’s State