In computer science control flow (or alternatively, flow of control) refers to the order in which the individual statements, instructions or function calls of an imperative or functionalprogram are executed or evaluated. Within an imperative programming language, a control flow statement is an instruction that when executed can cause a change in the subsequent control flow to differ from the natural sequential order in which the instructions are listed. For non-strict functional languages, functions and language constructs exist to achieve the same ends, but they are not necessarily called control flow statements.
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<programming> (Or "flow of control") The sequence of execution of instructions in a program. This is determined at run time by the input data and by the control structures (e.g. "if" statements) used in the program. Not to be confused with "flow control". (1997-09-14)
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