Call an R function from native code

Primarily intended for testing.

winch_call(fun, env = parent.frame())

Arguments

fun

A function callable without arguments.

env

The environment in which to evaluate the function call.

Value

The return value of fun().

See also

winch_stop()

Examples

foo <- function() {
  winch_call(bar)
}

bar <- function() {
  writeLines("Hi!")
}

foo()
#> Hi!
#> NULL