bhuga / promising-future / 25

100%

Pull #27

travis-ci

Make force work in conditions for futures, not only promises.

The Future#__force__ should return the resulting value, not the promise. Otherwise things like
``` ruby
   puts "true" if future{ true }.force
   puts "false" if future{ false }.force
   puts "nil" if future{ nil }.force
```
do not work as expected (currently all evaluate to true). I believe it should work consistently with promises:
``` ruby
   puts "true" if promise{ true }.force
   puts "false" if promise{ false }.force
   puts "nil" if promise{ nil }.force
```
The change above should achieve this. However note it may change how the marshalling works with regard to futures, as the special marshalling handling found in Promise becomes bypassed. You may want to review this aspect yourself.

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