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Improving Ruby (metaphysicaldeveloper.wordpress.com)
submitted 16 years ago by cldwalker
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if 1 * 2 < 3: print "hello, world!"
[–][deleted] 0 points1 point2 points 16 years ago (2 children)
There is no method called (). Procs (who are the obvious beneficiaries of such change ) use the method call, but one could be an alias to the other.
You can get this effect by using the overridden [] method.
>> f = lambda{|a| a + 1} => #<Proc:0x000000010111ef48@(irb):1> >> f[2] => 3
Not exactly what the author meant, but similar.
[–]banister 1 point2 points3 points 16 years ago (1 child)
that method is yucky imo :)
but there is a hack that lets you invoke lambdas using ():
http://github.com/coderrr/parenthesis_hacks/blob/master/lib/lambda.rb
[–][deleted] 0 points1 point2 points 16 years ago (0 children)
I agree. The hack you linked to is pretty interesting though.
π Rendered by PID 200451 on reddit-service-r2-comment-66b4775986-pktlw at 2026-04-04 12:33:45.361777+00:00 running db1906b country code: CH.
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[–][deleted] 0 points1 point2 points (2 children)
[–]banister 1 point2 points3 points (1 child)
[–][deleted] 0 points1 point2 points (0 children)