gotcharubyCritical
Difference between "and" and && in Ruby?
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rubyandbetweendifference
Problem
What is the difference between the
&& and and operators in Ruby?Solution
and is the same as && but with lower precedence. They both use short-circuit evaluation.WARNING:
and even has lower precedence than = so you'll usually want to avoid and. An example when and should be used can be found in the Rails Guide under "Avoiding Double Render Errors".Context
Stack Overflow Q#1426826, score: 413
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