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annotate R/rdyncall/demo/factorial.R @ 61:c5a69c454963

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- allow use of 'None' with 'Z' - bumped version to 1.4 (be in sync current dyncall version)
author Tassilo Philipp
date Mon, 03 Apr 2023 19:06:07 +0200
parents 0cfcc391201f
children
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1 f <- function(i,fun)
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2 {
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3 if (i > 1) i * .dyncall(fun,"ip)i",i-1,fun) else i
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4 }
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5 e <- new.env()
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6 cb <- new.callback("ip)i", f,e)
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7 e <- NULL
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8 f <- NULL
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9 gc()
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10 r <- .dyncall(cb,"ip)i",12,cb)
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11 r == factorial(12)
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12 cb <- NULL
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13 gc()