user-defined operators

[Dave Love]

Eric Newhuis <enewhuis@REDACTED> writes:

> Studying the APL language would be a good place to start to ponder
> these special operators.

Haskell already credits APL, of course.

Apart from other functional languages, algebra systems like Macsyma
(Maxima) provide long-standing experience of user-defined operators.
Looking at a Macsyma-style Pratt parser might also make clear the
distinction between the operators and overloading.