-- Functions composed in argument position: no intermediate bindings needed.
-- `str pct n 10` parses as one nested call. `hd tl xs` chains.
-- HOF positions (e.g. fld's first arg) still take bare function refs --
-- see examples/builtins-as-hof.ilo.
dbl x:n>n;*x 2
pct a:n b:n>n;*/ a b 100
show n:n>t;str pct n 10
snd xs:L n>n;hd tl xs
dbd n:n>n;dbl n
-- run: show 3
-- out: 30
-- run: snd [10,20,30]
-- out: 20
-- run: dbd 5
-- out: 10