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Even though C++ popularized the concept of smart pointers, especially the reference-counted variety, [3] the immediate predecessor of one of the languages that inspired C++'s design had reference-counted references built into the language. C++ was inspired in part by Simula67. [4] Simula67's ancestor was Simula I.
A basic example is in the argv argument to the main function in C (and C++), which is given in the prototype as char **argv—this is because the variable argv itself is a pointer to an array of strings (an array of arrays), so *argv is a pointer to the 0th string (by convention the name of the program), and **argv is the 0th character of the ...
[4] [5] [6] Some improvements were made to the BSD library in the 1990s as "4.4BSD" curses, e.g., to provide more than one type of video highlighting. [citation needed] However, those are not widely used. The name "curses" is a pun on cursor optimization. [7] Sometimes it is incorrectly stated that curses was used by the vi editor. In fact the ...
For example, SpeedTree is a middleware package that procedurally generates trees which can be used to quickly populate a forest. [1] Whereas most games use this technique to create a static environment for the final product, some employ procedural generation as a game mechanic , such as to create new environments for the player to explore.
The cursor for the Windows Command Prompt (appearing as an underscore at the end of the line). In most command-line interfaces or text editors, the text cursor, also known as a caret, [4] is an underscore, a solid rectangle, or a vertical line, which may be flashing or steady, indicating where text will be placed when entered (the insertion point).
A sample UML class and sequence diagram for the Iterator design pattern. [ 4 ] In the above UML class diagram , the Client class refers (1) to the Aggregate interface for creating an Iterator object ( createIterator() ) and (2) to the Iterator interface for traversing an Aggregate object ( next(),hasNext() ).
Strafing in video games is a maneuver which involves moving a controlled character or entity sideways relative to the direction it is facing. This may be done for a variety of reasons, depending on the type of game; for example, in a first-person shooter, strafing would allow one to continue tracking and firing at an opponent while moving in another direction.
The type Handle is an opaque pointer to the real implementation, that is not defined in the specification. Note that the type is not only private (to forbid the clients from accessing the type directly, and only through the operations), but also limited (to avoid the copy of the data structure, and thus preventing dangling references).