Function is a block of code which performs a specific task.
Questions tagged [functions]
319 questions
129
votes
12 answers
One-line functions that are called only once
Consider a parameterless (edit: not necessarily) function that performs a single line of code, and is called only once in the program (though it is not impossible that it'll be needed again in the future).
It could perform a query, check some…
deprecated
- 3,297
43
votes
8 answers
Beginning a sentence with a function name?
Occasionally while typing something up that relates to a case-sensitive programming language I end up starting a sentence with a function name. Now the rules of English state that the first word in a sentence needs to be capitalized; the function…
user3462295
- 521
36
votes
1 answer
Name for a Function which Returns its Arguments?
A function that does nothing, takes no arguments and returns nothing is traditionally called a noop, or no-op. An example of a noop is below:
function noop(){}
http://en.wikipedia.org/wiki/NOP
So is there a name for a function which is meant only…
Code Whisperer
- 723
21
votes
7 answers
Is there an optimal number of lines of code per function?
Functions are not only used to minimize duplication of code - they are also used to split up a long function into smaller ones to increase readability, as well as making the code self-commenting. Yet this gain is not directly inversely proportional…
gablin
- 17,407
10
votes
2 answers
Solving the problems that come with the dyadic function assertEquals(expected, actual)
After years of cowboy coding, I decided to pick up a book on how to write good quality code. I'm reading Clean Code by Robert Cecil Martin. In chapter 3 (functions) there is a section on dyadic functions. Here is an excerpt from the book.
Even…
HBeel
- 219
3
votes
3 answers
When is inlining worth it?
Modern compilers often inline functions when they decide it is worth it.
But here comes my question: how does one define if it is optimal to inline function at given time, or more important how to decide that it should be avoided?
zduny
- 2,653
1
vote
1 answer
Are there defined standards for argument sequence?
Say I have a function taking three arguments:
a symbol (an alias for a class, method or function name)
a mirror/reflection of a specific object
a mirror/reflection of a class in general
is there a how-to (e.g. for certain languages or libraries) to…
wellnoidea
- 31
- 5
0
votes
1 answer
When is using a lot of parameters considered using too many parameters?
I do a lot of programming in my class. It's just my first semester, and most of my stuff is review. I've taken to using a verifyInput function to ensure that user inputs match certain criteria. Since I end up using verifyInput so much, I keep coming…
Ucenna
- 1,302
0
votes
4 answers
How can Guard Statements and Small Functions coexist?
By Guard Statements I mean something similar to the first part of the function:
def doSomething(String something)
{
// Guard Statement
if(!something)
{
return false
}
// more stuff
}
Say you might have several…
Lifeweaver
- 111
-1
votes
2 answers
How to minimize the code duplication?
I have the following code which I wrote, but there is so much of code duplication. I would like to minimize it but I am unable to come up with the ideas. Could anyone help me out with this?
myFunc(r: Object): Object {
if (condition) {
…
ShellZero
- 125