Andrea Faulds wrote on 27/11/2014 13:48:
On 27 Nov 2014, at 08:22, Stanislav Malyshev <smalys...@gmail.com> wrote:Looking into this and also reading the \u{} proposal, I also thought - do we have a programmatic way of doing what \u would do? I.e. if we assume $x holds an Unicode codepoint value (i.e., an integer) do we have a good built-in way to generate the corresponding utf8 sequence? If not, then I think this class may be a good place to put such a function in.You mean something along the lines of JavaScript’s String.fromCharCode (or, in ES6, String.fromCodePoint)? One of the nice things about that function is that it can take multiple codes. So I can do String.fromCodePoint(65, 66, 67) to get “ABC”. If we add that, we should also have an analogue of JavaScript’s String.charCodeAt/String.codePointAt to do the operation in reverse.
We already have the single-byte versions: chr() and ord(). It's been on my to do list for a while to rewrite the manual pages for those, which currently have a whole lot of misleading references to ASCII.
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