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I get the warning Comparison of unsigned expression >=0 is always true
In this line:return status != nil && status.length >= 0 && status.length <= 140;
So I am not sure if this sounds stupid or not but should I just delete that expression then>
Thanks!
Remove just this part of a check — status.length >= 0. Actually this part of a check will be optimized by compiler and removed automatically as it not make sense. Removing it form a code will help you to get rid from this warning.