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From: | Elias Mårtenson |
Subject: | Re: [Bug-apl] Determining data type... |
Date: | Fri, 1 Aug 2014 11:02:21 +0800 |
On 2014-07-31 22:49:06, Peter Teeson wrote:You're probably refering to ⍬. This is not a theta. This symbol
> David used theta as well. Is that also an available symbol?
> i.e. a greek letter not otherwise used by the APL language?
is called zilde and it should look like zero with superimposed
tilde. It's not specifically related to lambdas.
Zilde stands for a numeric vector of zero length (just like '' is
a character vector). You can write (0⍴0) instead of ⍬.
-k
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