Re: Globals (more ruminations)

[Geoff Leyland <geoff_leyland@...>]

On 12/07/2010, at 5:14 AM, Roberto Ierusalimschy wrote:

> I still think the main problem is non-intended assignment to globals,
> which creates hard-to-find bugs. The simple policy of requiring a global
> declaration to assign to globals would force programmers to consider
> whether they really want a global variable.

One possible downside of this is that this very simple Lua program:

a = "Hello World"
print(a)

becomes: 

global a = "Hello World"
print(a)

(or "local a...").  Does this make Lua harder to learn?

Geoff