repeat

[Tomek Sowiński]

Andrei Alexandrescu napisał:

> std.range has a function repeat that repeats one value forever. For 
> example, repeat(42) is an infinite range containing 42, 42, 42,...
> 
> The same module also has a function replicate that repeats one value a 
> specific number of times. In fact, replicate can be expressed as an 
> overload of repeat, so that's what I just did (not committed yet): 
> repeat(42, 100) repeats 42 one hundred times, repeat(42) repeats 42 
> forever. I'll put replicate on the deprecation chute.
> 
> So far so good. Now, string has its own repeat. repeat("abc", 2) returns 
> the string "abcabc".
> 
> I want to generalize the functionality in string's repeat and move it 
> outside std.string. There is an obvious semantic clash here. If you say 
> repeat("abc", 3) did you mean one string "abcabcabc" or three strings 
> "abc", "abc", and "abc"?
> 
> So we need distinct names for the functions. One repeats one value, the 
> other repeats a range. Moreover, I'm thinking sometimes you want to 
> repeat a range lazily, i.e. instead of producing "abcabc" just return a 
> range that looks like it.
> 
> Ideas for a good naming scheme are welcome.

Overload cycle and call it a day?

-- 
Tomek