obj.freeze â obj
Instance Public methods
Prevents further modifications to obj. A RuntimeError
will be raised if modification is attempted. There is no way to unfreeze a
frozen object. See also Object#frozen?.
This method returns self.
1 2 3 | a = [ "a", "b", "c" ]a.freezea << "z" |
produces:
1 2 | prog.rb:3:in `<<': can't modify frozen array (RuntimeError) from prog.rb:3 |
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