Inline quoting list/array concatenate.

e1 %qc% e2

Arguments

e1	first, or left argument.
e2	second, or right argument.

qc(e1, c2)


1:2 %qc% 5:6
#> [1] "1:2" "5:6"

c("a", "b") %qc% d
#> [1] "a" "b" "d"

a %qc% b %qc% c
#> [1] "a" "b" "c"