C# ?? operator in Ruby?

Question

Is it possible to implement the ?? operator in Ruby?

a = nil
b = 1

x = a ?? b # x should == 1
x = b ?? 2 # x should == 1

Answer 1

There is the coalesce gem, which is as close as you'll get.

nil || 5 # => 5
false || 5 # => 5 :(
false._? 5 # => false :)