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havenwood/hash_fetch_slice.rb

Created February 13, 2018 18:34
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An Example Implementation of Hash#fetch_slice
Raw
hash_fetch_slice.rb
class Hash
def fetch_slice(*keys, &block)
keys.zip(fetch_values(*keys, &block)).to_h
end
end
hsh = {a: 1, b: 2}
hsh.fetch_slice(:a, :d) { nil }
#=> {:a=>1, :d=>nil}
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