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Similar to my question about returning from inside a using statement (whose answer was generally "yes, it's ok") I'm wondering if returning from inside a foreach statement is similarly devoid of side-effects and considered accepted practice, or when I do this am I leaving a pointer hanging in the middle an enumeration somewhere internally, etc.
Here's an example:
public string GetCurrentTransaction(string idText)
{
foreach (var transaction in transactions)
{
if (idText.IsEquivalentTo(transaction.IdText))
{
return transaction.Content;
}
}
return "";
}
251
You can't make JavaScript's forEach() function return a custom value. Using return in a forEach() is equivalent to a continue in a conventional loop.
You can't exit a forEach Loop, So Use every() Instead Once it's started, it will run until it reaches the last item in the array. So if you insert a break statement, it will return a SyntaxError : let numbers = [2, 4, 5, 8, 12] let odd = 5; numbers.
1) forEach method Also, forEach method doesn't return anything (undefined).
How foreach loop works? The in keyword used along with foreach loop is used to iterate over the iterable-item . The in keyword selects an item from the iterable-item on each iteration and store it in the variable element . On first iteration, the first item of iterable-item is stored in element.
Nope, dont see any issue with that.
From foreach, in (C# Reference)
A foreach loop can also be exited by the goto, return, or throwstatements.
87
As long as nothing there implements IDisposable (or you have a using block around it), then that should be fine.
As far as I know, it's a fairly common and accepted practice and, as Astander mentions in his post, the documentation for foreach condones it as a legitimate practice.
37
other than it being a small code smell to return from multiple points in methods (adds to the methods cyclomatic complexity) there is no technical reason to worry about.
41
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