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Feature #4780

Updated by nobu (Nobuyoshi Nakada) over 1 year ago

Mentioned before, in another (rejected) issue thread: http://redmine.ruby-lang.org/issues/4615

There are a few methods, which return an array without a trailing block, or also can be iterated with a block.

Such as `String#scan`. String#scan.

`String#split` String#split has only one form:

```ruby
str.split(pattern=$;, limit=0) -> array
```


Maybe add a iterative form, when with a block:

```ruby
str.split(pattern=$;, limit=0) {|field| ... } -> str
```


If the string is very long, and I only need to play with the splitted string one by one, this will not create a useless expensive array.

Joey

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