ruby - can't modify frozen string (TypeError)

Posted by Straff on Stack Overflow See other posts from Stack Overflow or by Straff
Published on 2010-02-05T03:56:00Z Indexed on 2010/05/27 16:41 UTC
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ruby

Got

... '[]=': can't modify frozen string (TypeError)

when trying to modify what I thought was a copy of ARGV[0].

Same results for each of

arg = ARGV[ 0 ]
arg_cloned = ARGV[ 0 ].clone
arg_to_s = ARGV[ 0 ].to_s

arg[ 'x' ] = 'y'
arg_cloned[ 'x' ] = 'y'
arg_to_s[ 'x' ] = 'y'

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ruby - can't modify frozen string (TypeError) - Developer IT

ruby - can't modify frozen string (TypeError)

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