Map with class' method
class Human
def initialize
[1, 2, 3].map(&method(:random))
end
def random(seed)
42
end
endWritten by Adam Stankiewicz
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4 Responses
Pretty sure the & is superfluous, #method should return a callable :)
over 1 year ago
·
@richoh Nope. method returns Method class, and we need to pass block. afaik ampersand operator is the only way to convert proc / lambda / method to block.
over 1 year ago
·
Ah, my bad. Thanks for clearing that up.
over 1 year ago
·
For the unenlightened...like me :-. What is the underlying intent in the above example?
Any hints appreciated.
over 1 year ago
·
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