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Call method indicated on the stack with arguments described by callsitedescr. Base instruction 0x6F callvirt <method> Call a method associated with an object. Object model instruction 0x74 castclass <class> Cast obj to class. Object model instruction 0xFE 0x01 ceq: Push 1 (of type int32) if value1 equals value2, else push 0. Base instruction ...
This is a feature of C# 3.0. 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 ...
C# (/ ˌ s iː ˈ ʃ ɑːr p / see SHARP) [b] is a general-purpose high-level programming language supporting multiple paradigms.C# encompasses static typing, [16]: 4 strong typing, lexically scoped, imperative, declarative, functional, generic, [16]: 22 object-oriented (class-based), and component-oriented programming disciplines.
The class null is a subclass of the symbol class, because nil is a symbol. Since nil also represents the empty list, null is a subclass of the list class, too. Methods parameters specialized to symbol or list will thus take a nil argument. Of course, a null specialization can still be defined which is a more specific match for nil.
The builder pattern is a design pattern that provides a flexible solution to various object creation problems in object-oriented programming.The builder pattern separates the construction of a complex object from its representation.
An extension method must be defined in a static class. An extension method must be defined as a static method. An extension method's first parameter must take the following form, where type is the name of the type to be extended: this type parameterName; An extension method may optionally define other parameters to follow the this parameter.
In C#, reification is used to make parametric polymorphism implemented in the form of generics as a first-class feature of the language. In the Java programming language, there exist "reifiable types" that are "completely available at run time" (i.e. their information is not erased during compilation).
In the operational definition of an abstract stack, push(S, x) returns nothing and pop(S) yields the value as the result but not the new state of the stack. There is then the constraint that, for any value x and any abstract variable V , the sequence of operations { push ( S , x ); V ← pop ( S ) } is equivalent to V ← x .