Questions tagged [out-parameters]
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6 questions
4
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2
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Should a method modifying object passed as a parameter return the modified object? [duplicate]
I have some incoming request - it's an instance of class generated from api specification - POJO with public getters/setters.
I would like to normalize some values. For example dimensions (to use ...
- 43
35
votes
9
answers
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Is there a better way to use C# dictionaries than TryGetValue?
I find myself often looking up questions online, and many solutions include dictionaries. However, whenever I try to implement them, I get this horrible reek in my code. For example every time I want ...
- 1,660
15
votes
3
answers
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non-optional pointers vs. non-const references in C++
In Other C++ Features, Reference Arguments of the Google C++ Style Guide, I read that non-const references must not be used.
All parameters passed by reference must be labeled const.
It is clear ...
- 640
0
votes
5
answers
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Named output parameters vs return values
Which code is better:
// C++
void handle_message(...some input parameters..., bool& wasHandled)
void set_some_value(int newValue, int* oldValue = nullptr)
// C#
void handle_message(...some ...
- 1,445
8
votes
4
answers
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Function that modifies an argument, should I return the modified object?
We have a function that modifies a JS object, by adding some custom properties to it. The function doesn't return antyhing
addTransaction: function (obj) {
obj.transactionId = this....
- 836
6
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4
answers
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Is using "out" or "ref" parameters in Java methods to return extra values bad?
I happened to create a mutable class like this:
class Mutable<T> {
private T value;
public Mutable() { this.value = null; }
public Mutable(T value) { this.value = value; }
T get(...
- 3,764