[Nix-dev] How to get correct length of a string containing non-ascii characters

[Erik Rybakken]

To anyone interested in this discussion, you may want to follow the
issue here: https://github.com/NixOS/nix/issues/770

There I wrote the reason I want this functionality. The main reason is
that I want to do as much as possible in Nix, instead of pushing stuff
to a building script.

Best,
Erik

On 2016-01-11 23:29, Erik Rybakken wrote:
> Hi,
> 
> In nix, when finding the length of a string containing non-ascii characters,
> the number of bytes in the representation is returned, instead of the actual
> number of characters:
> 
> > nix-repl> builtins.stringLength "å"
> > 2
> 
> Is there any way to get the number of characters instead, or does this
> require changes in the core language?
> 
> Best Regards,
> Erik Rybakken
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