@_spi(Experimental) public enum ViewportStatus : Hashable
ViewportStatus contains 3 cases that express what the
Viewport is doing at any given time.
idlestatus indicates that
trueif and only if they are the same case and any associated values are identical.
public static func == (lhs: ViewportStatus, rhs: ViewportStatus) -> Bool
ObjectIdentifierof each associated value into
public func hash(into hasher: inout Hasher)