stdlib
Stdlib.Quote
compiler-libs.bytecomp
compiler-libs.common
compiler-libs.optcomp
compiler-libs.toplevel
dynlink
eval
jit
runtime_events
stdlib_alpha
stdlib_beta
stdlib_stable
stdlib_upstream_compatible
str
threads
unix
module Expr : sig ... end
val duplicate : 'a expr @ once -> ('a expr * 'a expr) @ once
val print : Format.formatter -> 'a expr -> unit
val string_of_expr : 'a expr @ once -> string