portage-ng / portage / dev-ml / easy-format / 1.2.0-r1
emerge -vp

These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.55 s (backtrack: 4/20).

[ebuild  N     ] dev-lang/ocaml-4.14.2:0/4.14.2::gentoo  USE="ocamlopt -emacs -flambda -latex -xemacs" 5377 KiB
[ebuild  N     ] dev-ml/findlib-1.9.8::gentoo  USE="ocamlopt -doc -tk" 269 KiB
[ebuild  N     ] dev-ml/easy-format-1.2.0-r1:0/1.2.0::gentoo  USE="ocamlopt -examples" 16 KiB

Total: 3 packages (3 new), Size of downloads: 5660 KiB

WARNING: One or more updates/rebuilds have been skipped due to a dependency conflict:

dev-lang/ocaml:0

  (dev-lang/ocaml-5.5.1:0/5.5.1::gentoo, ebuild scheduled for merge) USE="ocamlopt -emacs -flambda -latex -test -xemacs" conflicts with
    <dev-lang/ocaml-5:=[ocamlopt] required by (dev-ml/easy-format-1.2.0-r1:0/1.2.0::gentoo, ebuild scheduled for merge) USE="ocamlopt -examples"
    ^               ^            


!!! The following update(s) have been skipped due to unsatisfied dependencies
!!! triggered by backtracking:

dev-ml/findlib:0

Wall time
2.542 s vs. 0.034 s for portage-ng