Code Complete, 2nd Edition

Chapter 17. Unusual Control Structures

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Contents

• Multiple Returns from a Routine

• Recursion

• goto

• Perspective on Unusual Control Structures

Related Topics

• General control issues: Chapter 19

• Straight-line code: Chapter 14

• Code with conditionals: Chapter 15

• Code with loops: Chapter 16

• Exception handling: Exceptions

Several control constructs exist in a hazy twilight zone somewhere between being leading-edge and being discredited and disproved—often in both places at the same time! These constructs aren't available in all languages but can be useful when used with care in those languages that do offer them.

Multiple Returns from a Routine

Most languages support some means of exiting from a routine partway through the routine. The return and exit statements ...