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The term assembly (as in .NET languages like C#, F# or Visual Basic .NET) or package (as in Dart, Go or Java) is sometimes used instead of module.In other implementations, these are distinct concepts; in Python a package is a collection of modules, while in Java 9 the introduction of the new module concept (a collection of packages with enhanced access control) was implemented.
A custom interface, anything derived from IUnknown, provides early bound access via a pointer to a virtual method table that contains a list of pointers to the functions that implement the functions declared in the interface, in the order they are declared. An in-process invocation overhead is, therefore, comparable to a C++ virtual method call.
A module must have an initializer function that is equivalent to, or complementary to an object constructor method. This feature is not supported by regular namespaces. A module must have a finalizer function that is equivalent to, or complementary to an object destructor method. This feature is not supported by regular namespaces.
Scheme syntactic abstractions also have a connection to genericity – these are in fact a superset of C++ templates. A Verilog module may take one or more parameters, to which their actual values are assigned upon the instantiation of the module. One example is a generic register array where the array width is given via a parameter. Such an ...
An IUnknown (or IUnknown-derived) interface consists of a pointer to a virtual method table that contains a list of pointers to the functions that implement the functions declared in the interface, in the order that they are declared in the interface. The in-process invocation call overhead is therefore identical to virtual method calls in C++.
A change in one module usually forces a ripple effect of changes in other modules. Assembly of modules might require more effort and/or time due to the increased inter-module dependency. A particular module might be harder to reuse and/or test because dependent modules must be included.
In software engineering, the adapter pattern is a software design pattern (also known as wrapper, an alternative naming shared with the decorator pattern) that allows the interface of an existing class to be used as another interface. [1]
For example, in Python, any class can implement an __iter__ method and be used as a collection. [3] Type classes in languages like Haskell, or module signatures in ML and OCaml, are used for many of the things that protocols are used for. [clarification needed] In Rust, interfaces are called traits. [4]