hsh.merge!(other_hash) â hsh
hsh.merge!(other_hash){|key, oldval, newval| block} â hsh
hsh.merge!(other_hash){|key, oldval, newval| block} â hsh
Instance Public methods
Adds the contents of other_hash to hsh. 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.
1 2 3 4 5 6 7 8 | h1 = { "a" => 100, "b" => 200 }h2 = { "b" => 254, "c" => 300 }h1.merge!(h2) #=> {"a"=>100, "b"=>254, "c"=>300}h1 = { "a" => 100, "b" => 200 }h2 = { "b" => 254, "c" => 300 }h1.merge!(h2) { |key, v1, v2| v1 } #=> {"a"=>100, "b"=>200, "c"=>300} |
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