Global const variables
Meta via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Tue Oct 21 10:00:48 PDT 2014
On Tuesday, 21 October 2014 at 16:56:06 UTC, Solomon E wrote:
> On Tuesday, 21 October 2014 at 15:51:27 UTC, MachineCode wrote:
> ...
> ...
>>
>> pure functions are also supposed to don't use global variables
>> at all, according to functional programming paradigm
>
> Pure functions are immutables (constants but not "const" in the
> D or C++ senses) and can use other immutables, even if they're
> global immutables. (I guess it would be better though always to
> have a named top scope instead of everyone in the world having
> the same global scope :-)
You *do* have a named top scope, the module name (which is
accessible with prefixing a symbol with ., i.e., .x refers to the
symbol x at module scope). There is no such thing as global scope
in D.
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