C# 7.0 – Throw Expressions
Before C# 7.0 it was not possible to throw an exception directly in expression-bodied members. The workaround was to call a method that throws an exception.
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C# 7.0 – Expression-bodied members
Expression bodied members were a very popular feature of C# 6.0. Unfortunately, their usage was limited only to methods and properties.
C# 7.0 – Local functions
There are situations when one needs a small helper method, but it’s not quite obvious where to put it. The method might not be generic enough to expose it as a new entity or even as a class member.
C# 7.0 – Literal improvements
C# 7.0 introduced nice improvements to literals. Both digit separator and binary literals can improve code readability.
C# 7.0 – Discards
Sometimes there is a need to ignore a result of a method. It’s straightforward if that’s a return value – just don’t assign it. But what should be done in other cases?