Re: languages which allow the introduction of new operators

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1 total messages Started by SA Courtenage Mon, 16 Nov 1992 18:41

#3842

Author: SA Courtenage
Date: Mon, 16 Nov 1992 18:41

26 lines
823 bytes

Just out of interest, Gofer (a functional language v.similar to Haskell)
allows the following to be defined.


------ cut here for Gofer script ------------
>

>(#) :: Int -> Int -> Int
>(#) n m = n + m + 1

--------------- end cut ---------------------

Typing

	3 # 4

then gives the result 8.

Haskell is more sophisticated in this respect, through its type classes.

Simon Courtenage		Email: scourten@uk.ac.ucl.cs
Dept of Computer Science
University College London
London WC1E
England

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