Concept:
Structured programming
Headline
A programming paradigm focusing on the use of data structures, subroutines, blocks and loops.
Illustration
Take for example this unstructured version of calculating the factorial in Language:C:
unsigned long
unstructuredFactorial(unsigned long f)
{
unsigned long result = 1;
AGAIN:
if (f == 0) return result;
result *= f--;
goto AGAIN;
}
A structured programming version of that would be to use a loop instead of goto and exit the subroutine at the end instead of the middle:
unsigned long
structuredFactorial(unsigned long f)
{
unsigned long i, result = 1;
for (i = 1; i <= f; ++i)
result *= i;
return result;
}
Ralf Lämmel
edited this article at
Mon, 01 May 2017 15:57:16 +0200
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