Why is eg the BinaryInteger.signum() a method and not a computed property?
public protocol BinaryInteger … {
/// Returns `-1` if this value is negative and `1` if it's positive;
/// otherwise, `0`.
///
/// - Returns: The sign of this number, expressed as an integer of the
same
/// type.
public func signum() -> Self
}
The Swift API Design Guidelines doesn't say very much about computed
property vs method with no arguments, but it seems like signum() violates
them, no?
/Jens
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