hsh.each_key {| key | block } â hsh
hsh.each_key â an_enumerator
hsh.each_key â an_enumerator
Instance Public methods
Calls block once for each key in hsh, passing the key as a parameter.
If no block is given, an enumerator is returned instead.
1 2 | h = { "a" => 100, "b" => 200 }h.each_key {|key| puts key } |
produces:
1 2 | ab |
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