Re: Thought experiment: what would you remove from Lua
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- Subject: Re: Thought experiment: what would you remove from Lua
- From: Dirk Laurie <dirk.laurie@...>
- Date: Wed, 1 Aug 2018 11:01:38 +0200
2018年08月01日 9:03 GMT+02:00 Axel Kittenberger <axkibe@gmail.com>:
> dibyendu> Are there features in Lua that could be removed to create a
> simpler language?
>
> - the .. operator
Hang on, that's in Lua 1.0. One can't go lower than Lua 1.0.
> implicit string/number coercions.
That's already out in Lua 5.4. Compatibility with 5.3 comes in a metatable.
> - goto,
I use this only when implementing pseudocode from Knuth's books. My
attempts to do without it always seem to introduce subtle logic bugs.
> the only sensible applications IMO can be replaced with better:
> continue and a more sophisticated try/except/throw scheme than pcall.
Anyway, the OP did not ask what you would add, only what you would remove.
> it probably was one of the better ideas (for example the
> : operator vs. JS 'this' shenanigans, or metatables in general etc.).
'self' is so much nicer than 'this', yes? :-)