peterc
/ methods_returning.rb
Last active
October 29, 2023 03:10
Object#methods_returning - to work out which method on an object returns what we want
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| require 'stringio' | |
| require 'timeout' | |
| class Object | |
| def methods_returning(expected, *args, &blk) | |
| old_stdout = $> | |
| $> = StringIO.new | |
| methods.select do |meth| | |
| Timeout::timeout(1) { dup.public_send(meth, *args, &blk) == expected rescue false } rescue false |
postmodern
/ array_comprehension.rb
Created
October 1, 2010 07:50
Adds Haskell style list comprehensions to the Ruby Array
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| class Array | |
| # | |
| # Iterates over each permutation of the enumerable values within the | |
| # {Array}. | |
| # | |
| # @yield [list] | |
| # The given block will be passed each permutation of the enumerable | |
| # values in the {Array}. | |
| # |