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Adding an element to a copy of an array
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Jim Burgess
Jul 29, 2010, 10:36:39 AM7/29/10
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Hi,
array = ["one", "two", "three"]
array_copy = array
array_copy << "four"
p array
p array_copy
#=>
["one", "two", "three", "four"]
["one", "two", "three", "four"]
How can I add an element to "array_copy" and leave "array" unaltered?
Cheers.
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Posted via http://www.ruby-forum.com/.
Jim Burgess
Jul 29, 2010, 10:42:13 AM7/29/10
to
Answered my own question.
Array.dup ist the way to go.
Array.dup ist the way to go.
Joseph E. Savard
Jul 29, 2010, 10:47:45 AM7/29/10
to
array = ["one", "two", "three"]
array_copy = array.clonearray_copy << "four"
p array
p array_copy
["one", "two", "three"]
["one", "two", "three", "four"]
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