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@pmn4

pmn4/kwarg_struct.rb

Created January 14, 2021 14:25
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A Ruby Struct, but with a keyword argument constructor, allowing for optional parameters
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kwarg_struct.rb
class KwargsStruct < Struct
def initialize(*args, **kwargs)
# assumes the keyword argument takes priority
super *members.each_with_index.map { |k, i| kwargs[k] || args[i] }
end
end
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pmn4 commented Jan 14, 2021

nevermind, I just learned about Struct's keyword_init:

KS = Struct.new(:a, :b, :c, keyword_init: true)
> KS.new(a: 1, c: 3)
=> #<struct KS a=1, b=nil, c=3>

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