ID	FCNS-1
Title	Keep functions short and simple.
Priority	Strongly recommended
Severity level	4
Description	Keep number of lines of code and cyclomatic complexity to an acceptable level, especially for nested functions and methods in a classdef file. Use the values of the table below.
Rationale	Short functions are more likely to be readable, reusable and testable.

Function type	Maximum cyclomatic complexity	Maximum number of lines of code
Main	20	100
Local (Sub)	15	50
Methods in a classdef	10	20
Nested	5	10