Where keyword

[NoOdle Participant]

Just started playing around with Monkey2, decided it was time to move on from Monkey1. Very excited with some of the language improvements/additions. While exploring the help files I came across the Where keyword but I’ve been struggling to work out what it actually does and how to use it.

Any help would be appreciated!

Thanks

[NoOdle Participant]

OK after some more tinkering I have figured it out

Struct Test<T> Where T = Int Or T = Float

Constrains generics like it says in the help file, pretty handy for things like Vec2

[DruggedBunny Participant]

Welcome back! I would never have figured that out, so that’s handy to know… thanks!

[NoOdle Participant]

Thanks, its good to be back!

I don’t think I would have had the patience to figure it out if it wasn’t for those lovely red squiggly lines, allowed me to try lots of different combinations until it worked… although I discovered later on with variants that no squiggles doesn’t mean it will actually run

[Amon Participant]

[quote]

OK after some more tinkering I have figured it out

Struct Test<T> Where T = Int Or T = Float

Constrains generics like it says in the help file, pretty handy for things like Vec2

[/quote]

Am I right then in thinking that with this implementation Test will only accept ints and floats, no strings, bools etc?

[abakobo Participant]

Yes, the compiler should tell you that you are using a non accepted type.
If I remember well you can also use ‘implements’ and ‘extends’
Where <T> implements myInterface
Where <T> extends myBaseClass.

[Amon Participant]

Cool.

[Author]

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