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C# 3.0 introduced type inference, allowing the type specifier of a variable declaration to be replaced by the keyword var, if its actual type can be statically determined from the initializer. This reduces repetition, especially for types with multiple generic type-parameters , and adheres more closely to the DRY principle.
In C# you have to write three additional instructions: Declare a variable, copy the property value into the variable and copy the variable back to the property after the method call. Enums can be defined inside interfaces; Case statements may contain inequality expressions, like Is >= 3. (in C# this can be mimicked by nested Else and If statements)
This is an important feature for the SQL-like LINQ feature that is integrated into C# and VB.net. Since anonymous types do not have a named type, they must be stored in variables declared using the var keyword, telling the C# compiler to use type inference for the variable. The properties created are read-only in C#, however, they are read ...
Type inference – C# 3 with implicitly typed local variables var and C# 9 target-typed new expressions new List comprehension – C# 3 LINQ; Tuples – .NET Framework 4.0 but it becomes popular when C# 7.0 introduced a new tuple type with language support [104] Nested functions – C# 7.0 [104] Pattern matching – C# 7.0 [104]
In C#, apart from the distinction between value types and reference types, there is also a separate concept called reference variables. [3] A reference variable, once declared and bound, behaves as an alias of the original variable, but it can also be rebounded to another variable by using the reference assignment operator = ref. The variable ...
With teams having to declare an onside kick and rules preventing the kicking team from overloading players on one side, there have been only three instances out of 41 this season where a team has ...
Besides this feature, it is in C++ also possible to declare a function or method as const. This prevents such functions or methods from modifying anything but local variables. In C#, the keyword const exists, but does not have the same effect for function parameters, as it is the case in C/C++. There is, however, a way to "stir" the compiler to ...
The average interest rate for a 30-year fixed mortgage stands at nearly 6.7%, well above an average rate four years ago of 2.6%, Freddie Mac data shows. A small rate cut by the Fed would not ...