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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Class-Trigger-0.150.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 18 KiB
[ebuild  N     ] dev-perl/File-Slurp-9999.320.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 34 KiB
[ebuild  N     ] dev-perl/Text-CSV-Simple-1.0.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 5 KiB

Total: 3 packages (3 new), Size of downloads: 56 KiB