x ? (a,b = b,a) : (a,b = a+1, b+1) On 06.11.2013 14:44, Stefan Salewski wrote: > irb(main):002:0> a = 1; b = 2; x = true # Ruby 1.9.3 > > irb(main):022:0* if x then a, b = b, a else a, b = a + 1, b + 1 end > => [2, 1] > irb(main):023:0> x ? a, b = b, a : a, b = a + 1, b + 1 > SyntaxError: (irb):23: syntax error, unexpected ',', expecting ':' > x ? a, b = b, a : a, b = a + 1, b + 1 > ^ > (irb):23: syntax error, unexpected ':', expecting $end > x ? a, b = b, a : a, b = a + 1, b + 1 > ^ > > Have I to use the extended if form for such type of assignment, or is > there a way to rewrite the ? : form? > > > >