👉 Rehead is a type of error in computer science, specifically in software development. It occurs when a program or a function does not return a value after performing an operation that produces a result. This can lead to unexpected behavior and crashes if not handled properly. In programming, reheads are often used to indicate that the code was executed but did not produce the expected output. For example, in a loop, if the condition inside the loop is always true (i.e., "rehead"), it