compose | R Documentation |
In infix and prefix forms.
compose(...)
f %.% g
... |
n functions to apply in order from right to left |
f, g |
two functions to compose for the infix form |
not_null <- `!` %.% is.null
not_null(4)
not_null(NULL)
add1 <- function(x) x + 1
compose(add1,add1)(8)
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