Linked Questions
18 questions linked to/from Should I return from a function early or use an if statement?
16
votes
10
answers
13k
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 ...
- 2,101
7
votes
2
answers
10k
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 ...
- 171
0
votes
3
answers
1k
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);
...
- 109
0
votes
3
answers
1k
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 ...
- 264
2
votes
4
answers
228
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;
...
- 121
-3
votes
1
answer
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 ...
- 113
-2
votes
1
answer
81
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
...
1308
votes
14
answers
255k
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
7
answers
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 ...
- 1,123
40
votes
8
answers
11k
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 ...
- 613
12
votes
6
answers
1k
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 ...
- 231
8
votes
2
answers
40k
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 ...
- 197
5
votes
4
answers
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 ...
- 153
3
votes
3
answers
276
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 (...)
...
- 141
0
votes
3
answers
172
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 ...
- 3