String.uppercase bug in base?

[Stephen Bastians]

On Ubuntu, 4.06.1 release, ran opam update/upgrade today (25th Jan)

utop # open Base;;

─( 21:42:56 )─< command 1 >──────────────────────────────────────{ counter: 0 }─

utop # String.uppercase "x" = "X";;

Error: This expression has type string but an expression was expected of type

         int

But:

utop # open Core;;

─( 21:43:15 )─< command 1 >──────────────────────────────────────{ counter: 0 }─

utop # String.uppercase "x" = "X";;

- : bool = true

[Philippe Veber]

Hi Stephen,

the polymorphic `=` operator is now shadowed in Base, by the equality on ints. In your case, you should write `String.(uppercase "x" = "X")`. I'm guessing some next version of Core will follow the same trend. Hope this helps!

Philippe.

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[Stephen Weeks]

In Base, [=] is [Int.equal]. In Core, [=] is [Poly.equal].

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[Stephen Bastians]

Yes that helps, thank you both.