Questions tagged [control-structures]
A control structure is a statement that changes the control flow in a program, based on the evaluation of one or more conditions. Common examples include the 'if-then-else' statement, the 'case-switch' statement, 'for' loops, and 'while' loops.
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Block structured iteration and recursion
Programming languages traditionally have blocks that specifically cater to controlling iteration.
There is the simple while-loop:
while (i < 3) {...};
Then there is the more complicated for-loop:
...
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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,...
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Do mainstream definitions of basic blocks and extended basic blocks say anything about SKIP instructions?
Not many architectures have skip instructions today. They are (usually) conditional instructions that skip the following instruction. A few architectures having these:
PIC14, with its btfss and btfsc ...
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Control flow vs. Flow control
When it comes to name things like if, else, or return, many developers and a lot of documentation calls it control flow or control flow statements.
https://docs.oracle.com/javase/tutorial/java/...
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Is there an elegant way to structure consecutive short-circuited assignments?
The following code works and is clear, but it's also verbose. I suspect that there's a way to make it more terse, so that it could be skimmed quickly and it'd be more obvious what's happening.
// The ...
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Is there a pattern for choosing one of a set of options at random when their selection criteria are equal?
I want to choose between several options, and if the criteria I'm using for selection happen to be equal, I want one at random (reasonably so, so it's equal-chance each time, rather than arbitrary). ...
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is it worth rearrange if else structures to shorter form [duplicate]
In our project there are deep and lengthy if-else structures which can be significantly shortened by a simple rearrangement. To me the shorter version would be easier to understand also.
As an ...
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What kind of of tools/architecture would work well for a student team competing in a robot soccer competition?
The scenario is as follows. There is a PC running a complex piece of AI software wirelessly controlling a number of soccer robots. This software is written and maintained by a team of students that ...
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How to Simulate Control-Flow without using Control-Flow Primitives
Basically, I want to know how to simulate while and if if I'm handling the control flow myself through an array of instructions.
The while loop can be simulated by if, as seen with assembly branching ...
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Is there an elegant way to write code with differing paths having a common middle segment?
I started out with the following, simple routine:
void originalCode(){
boolean status = getStatus();
function2(status);
if(status){
return;
}
function3();
}
But ...
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Is there a pattern for dealing with one consistent case that's different from all others?
Been given an awkward design challenge, and I'm not sure how best to handle it.
The scenario is this: in the system there's a concept of "Client". Each client has various bits of supporting metadata ...
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Can conditional break in a loop be rewritten for easier understanding?
while cond1
...
if cond2
...
else
...
break
The while loop above has two termination conditions,
cond2 and !cond1
!cond2
When the commands that are represented by ....
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Question about a maintainable approach on how to handle changes in the UI inside the source code
Inside our UI there's an option to select something from a dropdown. Depending on what you choose inside that menu the rest of the fields inside the UI change accordingly. At the moment we handle it ...
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Coding style: Binary logic or multiple if()s?
Something that often comes up in code reviews is the structure of the code, particularly related to the use of control structures, where individuals can be fairly opinionated on what is "right" and ...
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Flow control in Go without a for loop
I've been set a challenge that I'm trying to get my head around, but am struggling with the best (or 'correct') way to implement it. The challenge is to create a simple console app written in Go that ...
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