How to read this signature? (writeTo in DIP9)
fawcett at uwindsor.ca
Fri Nov 19 11:46:08 PST 2010
On Fri, 19 Nov 2010 14:43:03 -0500, bearophile wrote:
> Graham Fawcett:
>> void writeTo(scope delegate(in char data) sink,
>> string format = null) const
>> // from http://prowiki.org/wiki4d/wiki.cgi?LanguageDevel/DIPs/DIP9
>> Particularly, how does "scope" modify the delegate, and what is the
>> meaning of the trailing "const"?
> "scope" means that the sink delegate is not a true closure, its
> outer scope is never allocated on the heap. "const" member functions
> means that inside it the "this" is const, so writeTo() can't modify
> the class/struct attributes.
Ah! Thanks very much, bearophile!
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