ary.join(separator=$,) รข 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.
[ "a", "b", "c" ].join #=> "abc" [ "a", "b", "c" ].join("-") #=> "a-b-c"
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