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0x0dea/lazy_internals.rb Secret

Created July 19, 2015 08:53
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lazy_internals.rb
foo = (1..Float::INFINITY).lazy
Introspectable.instance_variable_get(foo, 'method') # => false
Introspectable.instance_variable_get(foo, 'arguments') # => nil
foo = foo.select(&:even?)
Introspectable.instance_variable_get(foo, 'method') # => :select
Introspectable.instance_variable_get(foo, 'arguments') # => false (!)
foo = foo.take(10)
Introspectable.instance_variable_get(foo, 'method') # => :take
Introspectable.instance_variable_get(foo, 'arguments') # => [10]
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