R-functional: Curry, Compose, and other higher-order functions

Negate a function; borrowed from src/library/base/R/funprog.R for pre-2.7 Rs.

Negate(f)

`f`	the function to be negated

The negated function

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is.even <- function(a) a%%2 == 0
is.odd <- Negate(is.even)
stopifnot(Reduce(`&&`, Map(is.odd, c(1, 3, 5))))

klutometis/R-functional documentation built on May 20, 2019, 12:37 p.m.

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