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This can be done either explicitly, by using a higher-order function – passing in a function as an argument and calling it – or implicitly, via reflection features which allow one to access certain functions depending on the current context, especially "the current function" or sometimes "the calling function of the current function".
In computer programming, a return statement causes execution to leave the current subroutine and resume at the point in the code immediately after the instruction which called the subroutine, known as its return address. The return address is saved by the calling routine, today usually on the process's call stack or in a register.
"GOTO" key on the 1982 ZX Spectrum home computer, implemented with native BASIC (one-key command entry).. Goto is a statement found in many computer programming languages.It performs a one-way transfer of control to another line of code; in contrast a function call normally returns control.
A tightly-scripted meeting of the Russia-dominated economic alliance of several ex-Soviet nations briefly went awry Thursday when two leaders engaged in bickering during a live broadcast of the event.
Calling f with a regular function argument first applies this function to the value 2, then returns 3. However, when f is passed to call/cc (as in the last line of the example), applying the parameter (the continuation) to 2 forces execution of the program to jump to the point where call/cc was called, and causes call/cc to return the value 2.
Mexico national team manager Javier Aguirre was hit in the head with a beer can following the team's 2-0 loss to Honduras in the first leg of a CONCACAF Nations League quarterfinal.. The incident ...
The Karate Kid legacy lives on.. Ralph Macchio and Jackie Chan join forces in the action-packed first trailer for Karate Kid: Legends, which comes more than 40 years after the original 1984 movie ...
If the function F returns false then the next function in Fs will be evaluated. If the function F returns {false, Y} then the next function in Fs with argument Y will be evaluated. If the function F returns R the higher-order function or_else/2 will return R. Note that X, Y, and R can be functions. The example returns false.