There's a not-yet documented function chr(97) => "a". Is there a reversed
function of it, like ichr("a")=>97 ?

$  Runsun Pan, PhD

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No.

But  nophead
http://forum.openscad.org/How-to-detect-chr-0-tp12351p12418.html  wrote
one:

function asc(c, n = 0) = c == chr(n) ? n : asc(c, n + 1);

Remember this is unicode not ASCII. Check what happens > 7F.

Also chr() IS  documented
https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/String_Functions#chr  .

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Got it. Thx

$  Runsun Pan, PhD

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