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Null propagation operator and foreach


Null propagation operator and foreach

By : feluco
Date : November 19 2020, 01:01 AM
around this issue No it is not. It's designed to allow access members of an object in a secure way. In this case you have to check whether the array is null.
code :


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Null propagation operator in C++

Null propagation operator in C++


By : Sebastian Oertel
Date : March 29 2020, 07:55 AM
I wish did fix the issue. At this stage in your design it might be a radical departure, but perhaps consider using the Null Object Pattern. Then you don't need any null checks at all.
Why C# 6.0 doesn't let to set properties of a non-null nullable struct when using Null propagation operator?

Why C# 6.0 doesn't let to set properties of a non-null nullable struct when using Null propagation operator?


By : stefoonk
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , Assume we have following code : , This code:
code :
Article? art
art?.Prop1 = "Hi";
Nullable<Article> art; //same as Article? art
Null propagation + null coalescing operator not working as expected when dealing with InnerException

Null propagation + null coalescing operator not working as expected when dealing with InnerException


By : Auli18462
Date : November 01 2020, 01:05 PM
this one helps. For a simple console application that I am developing I want to implement a very basic exception handling (just printing the exception message and terminating the program). The logic that I want to implement is: if the exception has an inner exception, print the inner's message; otherwise print the own exceptions's message. , What you are doing now is this:
code :
("--- Error: " + ex.InnerException?.Message) ?? ex.Message
"--- Error: " + (ex.InnerException?.Message ?? ex.Message)
Null propagation operator

Null propagation operator


By : Jackson
Date : March 29 2020, 07:55 AM
Hope this helps
Does it cache the as cast into a new DerivedType variable (i.e., this is just syntactic sugar for an as cast followed by an null comparison).
code :
BaseType myObj = new DerivedType();
DerivedType temp = myObj as DerivedType;
string myString = temp != null ? temp.DerivedSpecificProperty : null;
C# 6.0 Approach to Checking if Local Variable or Object is Null (not a field) Using the Null-propagation Operator

C# 6.0 Approach to Checking if Local Variable or Object is Null (not a field) Using the Null-propagation Operator


By : subodh
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I'm not sure what you are trying to accomplish but if you want to avoid overwriting the value of
code :
AnotherClass.myfield 
AnotherClass.myfield = t ?? AnotherClass.myfield;
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