ary.join(separator=$,) â str
Instance Public methods
Returns a string created by converting each element of the array to a
string, separated by the given separator. If the
separator is nil, it uses current $,. If both the
separator and $, are nil, it uses empty string.
1 2 | [ "a", "b", "c" ].join #=> "abc"[ "a", "b", "c" ].join("-") #=> "a-b-c" |
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