c# - How foreach loop works? -

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this question has answer here:

imongocollection<jobinforecord> records = ... foreach (var record in records.find(query).tolistasync().result) {...}

is true foreach iteration compute .result value again , again?

no, it's going evaluate records.find(query).tolistasync().result once , call getenumerator on result. each loop going call movenext on returned "enumerator" , set record current property of "enumerator" loop breaking when movenext returns false.


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