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  1. type 'a tree =
  2.     | Leaf of 'a
  3.     | Branch of ('a * 'a) tree;;
  4.  
  5. let z : int tree = Leaf(5);;
  6. let zz : int tree = Leaf(6);;
  7. let zzz = Branch(z,zz);;
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
File "prog.ml", line 7, characters 16-22:
This expression has type int tree * int tree but is here used with type
  ('a * 'a) tree
stdout
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Standard output is empty
https://ideone.com/d74gDh
language:
OCaml (ocamlopt 4.05.0)
created:
12 years ago
visibility:
secret

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