ios :: UIColor :: init_with_white_alpha
[self initWithWhite:(CGFloat)white alpha:(CGFloat)alpha]
# Wraps: `[self initWithWhite:(CGFloat)white alpha:(CGFloat)alpha]`
new init_with_white_alpha(white, alpha: Float) in "ObjC" `{
return [[UIColor alloc] initWithWhite: white alpha: alpha];
`}
lib/ios/ui/uikit.nit:294,2--297,3