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  1. class Named t where
  2.         name :: t -> String
  3.  
  4. data Dog = Dog String
  5.  
  6. instance Named Dog where
  7.     name (Dog n) = n
  8.  
  9. main = print $ name $ Dog "Sharik"
Success #stdin #stdout 0.02s 3544KB
comments (?)
stdin 
Standard input is empty
stdout 
"Sharik"
https://ideone.com/6qnZUx
language:
Haskell (ghc 8.4.4)
created:
13 years ago
visibility:
public

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