Questions tagged [control-flow]
Control flow (or flow of control) is the order in which individual statements, instructions or function calls of an imperative program are executed or evaluated.
15 questions
18 votes
7 answers
4k views
Is there a reason "replace conditional with table" isn't a standard refactoring?
I'm preparing a lecture where I will start with a many-branched conditional statement and replace it with a table. For example, I could start with: function getMonthName(monthNumber) { if (...
- 1,007
0 votes
2 answers
774 views
Is this a case where 'else' is inevitable?
I am writing some code that enables / disables a certain kind of hardware function. To enable it on, I have to call some methods, and to disable it, some others. Of course I want this code to be clean,...
- 769
0 votes
2 answers
6k views
Creating a control flow graph for a given function
Given is a short Java function and I like to create a control flow graph for it but I'm not sure if it's fine like that? Because I left some things away such as variables that have already been ...
- 119
20 votes
7 answers
3k views
Should "else" be used in situations where control flow renders it redundant?
I sometimes stumble upon code similar to the following example (what this function does exactly is out of the scope of this question): function doSomething(value) { if (check1(value)) { return -...
- 357
2 votes
1 answer
131 views
How do I achieve non-linear non-dependent control flow using Promises (in server-side ES6)
Coming over from the Java world, I am having trouble translating a multi-threaded approach to IO to the ES6 Promises concept of aysnc IO. Many of the examples I have seen on promises show a linear ...
- 394
-2 votes
1 answer
368 views
Problem on recursion
void function(int x){ if(x<=0) return; function(x--); } This is a recursion function which is called with the value of x = 20. The Recursive call will take place in this way ...
- 11
3 votes
1 answer
74k views
Flow Chart - While Loops process
I'm having difficulties understanding whether or not this is the right process to use for a flow chart which illustrates the processes involved in an algorithm. For this, assume the following: A 1D ...
- 209
1353 votes
14 answers
279k views
Where did the notion of "one return only" come from?
I often talk to programmers who say "Don't put multiple return statements in the same method." When I ask them to tell me the reasons why, all I get is "The coding standard says so." or "It's ...