MagLev/maglev — pull request #79 by timfel (2011-10-15 23:43:40+00:00)
Title: Flip flop patches

@rkh added specs for the FlipFlop operator to rubyspec yesterday, that exposed a bug in our implementation where the operands were not evaluated lazily as needed. This fixes that by wrapping them in a block (just like for #or: and #and:)