Replace all of the pairs in h with those from another hash : replace « Hash « Ruby

1. Ruby
2. Hash
3. replace

Replace all of the pairs in h with those from another hash

h = {}        # Start with an empty hash
h[:a] = 1     # Map :a=>1.  h is now {:a=>1}
h.store(:b,2) # More verbose: h is now {:a=>1, :b=>2}

h.replace({1=>:a, 2=>;b}  # h is now equal to the argument hash

 

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