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- Subject: Re: ideas for lambda syntax
- From: Coda Highland <chighland@...>
- Date: Wed, 10 Apr 2013 18:24:24 -0700
You mean APL. Algol looks like Pascal.
On Wed, Apr 10, 2013 at 6:19 PM, Henning Diedrich <firstname.lastname@example.org> wrote:
> Wow, Algol lives! Awsome.
> On Apr 10, 2013, at 11:49 PM, Dirk Laurie <email@example.com> wrote:
>> 2013/4/9 Dirk Laurie <firstname.lastname@example.org>:
>>> Lua's existing syntax *is* lambda syntax, but for the sake of
>>> portability the three symbols required are spelt out with keywords.
>> Portability-shmortability. Get yourself a font that displays all
>> of Unicode properly and configure your keyboard to make the
>> Unicode characters you need with the alternate graphic key.
>> The attached patch to Lua 5.2 allows the syntax
>> ∆(a,b) → a+b ⋄
>> Actually, all Lua keywords have been replaced by single Unicode
>> symbols, as a service to those who find Lua code obfuscated when
>> using English words like 'function' and 'return' instead of symbols.
>> Here is a sample:
>> ⊣ i ∊ pairs(_G) ⊢ print(i) ⋄ -- prints the global table
>> ⍳ 2<3 ⊥ print(∪) ⊤ print(∩) ⋄ -- prints "true"
>> The mapping of Unicode symbols to Lua terminals is defined
>> in the patch to llex.c.