Linked Questions

16
votes
10answers
12k views

Best practices concerning exit in Delphi [duplicate]

A co-worker and myself are having a debate on whats best. Both concepts work and work well but is there a general consensus on not making a call to exit? Whats better? To call exit within a ...
7
votes
2answers
8k views

“Proceed if true” vs “stop if false” in if statements [duplicate]

While I was writing a private helper method in Java, I needed to add a check for a precondition that would cause the method to do nothing if not met. The last few lines of the method were just off the ...
2
votes
4answers
227 views

function exit condition on parameter consistency check [duplicate]

When checking for parameter consistency a the top of a function body, what is the best strategy? This one: protected void function(Object parameter) if (parameter == null) return; ...
0
votes
3answers
741 views

When not to use early return? [duplicate]

Nesting is unavoidable, however in most cases returning early is a more viable option. Consider the following snippet: MyRoutine(argument) { if (0 == argument) { SubRoutine(argument); ...
0
votes
3answers
671 views

Which is more readable: early returns, or conditionals? [duplicate]

I’m writing an asynchronous, Promise-returning function. In the processing I test some conditions, and if the conditions pass, the promise should be fulfilled (resolved), but if one fails, then the ...
-3
votes
1answer
2k views

Best practices: Number of return statements [duplicate]

I'd like to ask about best practices on return statements. So, what would be more preferable, something like... ... String r = null; if(var != null) { r = "NOT NULL!"; } return r; Or something ...
-2
votes
1answer
79 views

Are These Both The Same Or Different If Statements [duplicate]

This is for unity I tried another way of stopping player after he dies and it worked fine but now it does not work with sounds That was my way the only thing that I changed is the state Ben's was ...
1238
votes
12answers
219k 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 ...
72
votes
7answers
10k views

Should I follow the normal path or fail early?

From the Code Complete book comes the following quote: "Put the normal case after the if rather than after the else" Which means that exceptions/deviations from the standard path should be put in ...
39
votes
8answers
10k views

Inverting an IF statement

So I've been programming for a few years now and recently have started using ReSharper more. One thing that ReSharper always suggests to me is to "invert 'if' statement to reduce nesting". Let's say ...
11
votes
6answers
837 views

Best Practice - Wrapping if around function call vs Adding early exit if guard in function

I know this can be very use-case specific, but I find myself wondering this far too often. Is there a generally preferred syntax. I'm not asking what is the best approach when in a function, I am ...
5
votes
4answers
7k views

What are the benefits of closing every if-statement with an else in Python?

I am reading Learn Python the Hard Way by Zed Shaw. In this lesson he writes: "Every if-statement must have an else." What are the benefits of ending every if-statement with an else? Are there any ...
5
votes
2answers
26k views

if and else or if and return?

I have a Java method with a void type of return that checks a condition. It do something in case of true and other thing in case of false, typical if / else structure, but is possible use only the if ...
3
votes
3answers
266 views

Structuring an if-else clause inside a for loop [closed]

Suppose I am doing an if-else clause inside a for loop. I like to structure it as for (...) if (...) // (part A) continue; //(part B) rather than for (...) if (...) ...
0
votes
3answers
168 views

Eliminating the bad cases in if to get a nicer code

I have read this link Should I return from a function early or use an if statement? and it triggered a conflict in my head. I agree that it looks nicer and cleaner and I guess that would be the way I ...

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