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From: Paul Rubin <no.email@nospam.invalid>
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Subject: Re: Latest suggestion for 202x
Date: Mon, 17 Jun 2019 10:12:17 -0700
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Date: 2019-06-17T10:12:17-07:00
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John Perry <john.perry@usm.edu> writes:
> One exception to this rule is Eiffel, which uses the @ operator. I
> decided to see if I could find a summary, and [1] has it. The only
> really strange one IMHO is Haskell, which uses !.

Haskell doesn't have syntax for arrays, and its arrays are a library
package, not part of the language.  Haskell has user-defined operators
and the array library defines ! as a subscript operator.