Search results
Results from the WOW.Com Content Network
It can be used in exactly the same manner as const in declarations of variables, pointers, references, and member functions, and in fact, volatile is sometimes used to implement a similar design-by-contract strategy which Andrei Alexandrescu calls volatile-correctness, [4] though this is far less common than const-correctness.
^c The value of n is provided by the SELECTED_REAL_KIND [8] intrinsic function. ^d ALGOL 68 G's runtime option --precision "number" can set precision for long long real s to the required "number" significant digits.
In C and C++, volatile is a type qualifier, like const, and is a part of a type (e.g. the type of a variable or field). The behavior of the volatile keyword in C and C++ is sometimes given in terms of suppressing optimizations of an optimizing compiler: 1- don't remove existing volatile reads and writes, 2- don't add new volatile reads and writes, and 3- don't reorder volatile reads and writes.
Generally, it may be put only between digit characters. It cannot be put at the beginning (_121) or the end of the value (121_ or 121.05_), next to the decimal in floating point values (10_.0), next to the exponent character (1.1e_1), or next to the type specifier (10_f).
because the argument to f must be a variable integer, but i is a constant integer. This matching is a form of program correctness, and is known as const-correctness.This allows a form of programming by contract, where functions specify as part of their type signature whether they modify their arguments or not, and whether their return value is modifiable or not.
In programming language theory, lazy evaluation, or call-by-need, [1] is an evaluation strategy which delays the evaluation of an expression until its value is needed (non-strict evaluation) and which avoids repeated evaluations (by the use of sharing).
In a programming language, an evaluation strategy is a set of rules for evaluating expressions. [1] The term is often used to refer to the more specific notion of a parameter-passing strategy [2] that defines the kind of value that is passed to the function for each parameter (the binding strategy) [3] and whether to evaluate the parameters of a function call, and if so in what order (the ...
[3] and C#. [4] In Java, ActionScript, [5] and other object-oriented languages the use of the dot is known as "dot syntax". [6] Other examples include: As an example of a relational database, in Microsoft SQL Server the fully qualified name of an object is the one that specifies all four parts: server_name.[database_name].[schema_name].object ...