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view R/rdyncall/demo/factorial.R @ 32:2089026debae

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- allowing 'None' as arg for pydc.load, effectively resulting in dlLoadLibrary(NULL), which is own process
author Tassilo Philipp
date Sat, 11 Apr 2020 18:02:33 +0200
parents 0cfcc391201f
children
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f <- function(i,fun)
{
  if (i > 1) i * .dyncall(fun,"ip)i",i-1,fun) else i
}
e <- new.env()
cb <- new.callback("ip)i", f,e)
e <- NULL
f <- NULL
gc()
r <- .dyncall(cb,"ip)i",12,cb)
r == factorial(12)
cb <- NULL
gc()