Call a function with Some Arguments Forced (original) (raw)
| forceAndCall {base} | R Documentation |
|---|
Description
Call a function with a specified number of leading arguments forced before the call if the function is a closure.
Usage
forceAndCall(n, FUN, ...)
Arguments
| n | number of leading arguments to force. |
|---|---|
| FUN | function to call. |
| ... | arguments to FUN. |
Details
forceAndCall calls the function FUN with arguments specified in .... If the value of FUN is a closure then the first n arguments to the function are evaluated (i.e. their delayed evaluation promises are forced) before executing the function body. If the value of FUN is a primitive then the call FUN(...) is evaluated in the usual way.
forceAndCall is intended to help defining higher order functions like [apply](../../base/help/apply.html) to behave more reasonably when the result returned by the function applied is a closure that captured its arguments.
See Also
[force](../../base/help/force.html), [promise](../../base/help/promise.html), [closure](../../base/help/closure.html).
[Package _base_ version 4.6.0 Index]