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An example for Nathanael7 on #ruby IRC
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def sig(method_name) | |
meth = method(method_name) | |
parameters = meth.parameters.map do |type, name| | |
case type | |
when :req | |
name | |
when :rest | |
"*#{name}" | |
when :opt | |
# Unknown default argument. | |
"#{name} = nil" | |
when :key | |
# Unknown default argument. | |
"#{name}: nil" | |
when :keyreq | |
"#{name}:" | |
when :keyrest | |
"**#{name}" | |
when :block | |
"&#{name}" | |
end | |
end | |
"def #{meth.name}(#{parameters.join(', ')})" | |
end | |
def foo(a, b = :oops, *c, d: :oops, e:, **f, &g) end | |
sig :foo | |
#=> "def foo(a, b = nil, *c, e:, d: nil, **f, &g)" |
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