:: [a] -> [a] package:extra

Equivalent to drop 1, but likely to be faster and a single lexeme.
drop1 ""         == ""
drop1 "test"     == "est"
\xs -> drop 1 xs == drop1 xs
Equivalent to dropEnd 1, but likely to be faster and a single lexeme.
dropEnd1 ""         == ""
dropEnd1 "test"     == "tes"
\xs -> dropEnd 1 xs == dropEnd1 xs