From: Rasputin <rasputin@...>
Date: 2003-05-30T22:48:35+09:00
Subject: to_s and concatenation


rasputin@shrike rasputin$ irb
irb(main):001:0> class Wtf
irb(main):002:1> def to_s
irb(main):003:2> 'fnord'
irb(main):004:2> end
irb(main):005:1> end
=> nil
irb(main):006:0>
irb(main):007:0* puts "#{Wtf.new}"
fnord
=> nil
irb(main):008:0> puts Wtf.new
fnord
=> nil
irb(main):009:0> puts "foo #{Wtf.new}"
foo fnord
=> nil
irb(main):010:0> puts "foo" + Wtf.new
TypeError: failed to convert Wtf into String
        from (irb):10:in `+'
        from (irb):10
irb(main):011:0> exit


How come one works and the other doesn't? Is it a precedence thing?

-- 
Rasputin :: Jack of All Trades - Master of Nuns