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None of us wants to delve back into the block/method/param argument again, right? But we could still use a good answer. Dan Berger has an explanation of how Sydney got named parameters without need to plunder Ruby’s current method definitions.

 # A standard Ruby method declaration
 def foo(a, b, c=4)
   ...
 end

 # Ideal syntax
 foo(a:1, b:2, c:3) # a=1, b=2, c=3
 foo(a:1, b:2)      # a=1, b=2, c=4
 foo(1, 2, c:3)     # a=1, b=2, c=3
 foo(1, 2, 3)       # a=1, b=2, c=3

If you’d like to give Sydney a try, scan for tarballs on Evan’s blog. (Spotted on Late to the Party.)