[Haskell-cafe] Re: [Haskell-beginners] map question
tom.davie at gmail.com
Fri Sep 18 05:14:02 EDT 2009
On 18 Sep 2009, at 04:32, Gregory Propf wrote:
> Heh, perhaps we should petition to have a new computer key and
> symbol added to the world's way of writing maths, something like
> maybe a downward angled slash to mean prefix (-)
Such a symbol already exists, but isn't in the ASCII set:
(-) (unicode 0x2D) "hyphen minus"
(‐) (unicode 0x2010) "hyphen"
are not the same as
(−) (unicode 0x2200) "minus sign"
notably also, not the same as ‒, –, — and ― (figure dash, en-
dash, em-dash and horizontal bar).
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