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Hash merge, join hashes

Marcelo Alarcon answered on November 10, 2023 Popularity 1/10 Helpfulness 1/10

answer Hash merge, join hashes

Hash merge, join hashes

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# Hash Merge

obj1 = { a: 10, b: 20 }
obj2 = { c: 30, a: 40 }

obj1.merge(obj2) # {:a=>40, :b=>20, :c=>30}

# If no block is specified, entries with duplicate keys are overwritten with the values from other_hash, otherwise the value of each duplicate key is determined by calling the block with the key, its value in hsh and its value in other_hash.

puts(obj1.merge(obj2) { |_key, v1, _v2| v1 }) # {:a=>10, :b=>20, :c=>30}

Popularity 1/10 Helpfulness 1/10 Language ruby

Source: Grepper

Tags: hash join ruby

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Contributed on Nov 10 2023

Marcelo Alarcon

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