Nothing
test_assoc <- function() {
d <- data.frame(t = 1:2)
target <- data.frame(t = 1:2, u = 2:3, v = 3:4, w = 4:5)
# rquery/rqdatatable gets associativity by leaving value in "." and
# evaluating right-hand-sides as expresions.
r1 <- d %.>% extend(., u = t+1) %.>% extend(., v = u+1) %.>% extend(., w = v+1)
expect_equal(r1, target)
r2 <- d %.>% extend(., u = t+1) %.>% ( extend(., v = u+1) %.>% extend(., w = v+1) )
expect_equal(r2, target)
r3 <- d %.>% ( extend(., u = t+1) %.>% extend(., v = u+1) %.>% extend(., w = v+1) )
expect_equal(r3, target)
r4 <- d %.>% ( extend(., u = t+1) %.>% extend(., v = u+1) ) %.>% extend(., w = v+1)
expect_equal(r4, target)
r5 <- d %.>% extend(., u = t+1) %.>% { extend(., v = u+1) %.>% extend(., w = v+1) }
expect_equal(r5, target)
r6 <- d %.>% { extend(., u = t+1) %.>% extend(., v = u+1) %.>% extend(., w = v+1) }
expect_equal(r6, target)
r7 <- d %.>% { extend(., u = t+1) %.>% extend(., v = u+1) } %.>% extend(., w = v+1)
expect_equal(r7, target)
invisible(NULL)
}
test_assoc()
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