mathn LoadError occures when calling GetText::Tools::MsgFmt.run with ruby 3.1.0.
/home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/mo.rb:178:in `require': cannot load such file -- mathn (LoadError)
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/mo.rb:178:in `next_prime'
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/mo.rb:217:in `save_to_stream'
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/mo.rb:292:in `block in save_to_file'
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/mo.rb:292:in `open'
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/mo.rb:292:in `save_to_file'
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/tools/msgfmt.rb:58:in `run'
from /home/ahiru/work/ruby/gettext-ruby3.1.0/vendor/bundle/ruby/3.1.0/gems/gettext-3.4.1/lib/gettext/tools/msgfmt.rb:38:in `run'
from app.rb:3:in `<main>'
mathn
LoadError occures when callingGetText::Tools::MsgFmt.run
with ruby 3.1.0.It looks like because ruby 3.1.0 extracted
prime
from default gem to bundled gem. that causes LoadError when requiring prime gem, then fallback to rescue block and causing mathn LoadError.Tested gettext 3.4.1 with ruby 3.1.0, 3.0.3. 3.0.3 works fine without LoadError.