On Mon, Jan 13, 2020 at 8:51 PM ToddAndMargo via perl6-users < perl6-users@perl.org> wrote:
> On 2020-01-13 11:10, ToddAndMargo via perl6-users wrote: > > > > https://docs.raku.org/type/UInt > > Subset UInt > > Unsigned integer (arbitrary-precision) > > The UInt is defined as a subset of Int: > > my subset UInt of Int where {not .defined or $_ >= 0}; > > Consequently, it cannot be instantiated or subclassed; > > however, that shouldn't affect most normal uses > > Trivia: > > In https://docs.raku.org/type/UInt, a cardinal (uint) > is a subset > Nope. Case matters. It's mixed case "UInt" (not "uint") that's a subset. > In https://docs.raku.org/language/nativetypes, a > cardinal (unit) gets their own "native type". > … whereas (lower case) "uint" is a native type. Documentation is easier to understand if you read what it says, and not what you expect it to say. Eirik
