#compdef zmodload

local fl="$words[2]" expl

if [[ "$fl" = -*(a*u|u*a)* || "$fl" = -*a* && CURRENT -ge 4 ]]; then
  _description expl 'builtin command'
  compgen "$expl[@]" -B
elif [[ "$fl" = -*u* ]]; then
  _description expl module
  compadd "$expl[@]" - $(zmodload)
else
  _description expl 'module file'
  compadd "$expl[@]" - ${^module_path}/*.s[ol](N:t:r)
fi