Curry, Compose, and other higher-order functions

package-ubuntu-20.04-r-4.0.5#cran#functional-0.6

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

<table summary="R argblock"><tr valign="top">
<td><code>f</code></td>
<td>
<p>the function to be negated</p>
</td>
</tr></table>

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

package-ubuntu-20.04-r-4.0.5#cran#functional-0.6#docs#Negate

Negate

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