code: func MapToEntries(exts map[string]*MigrateInfoEntry) []*MigrateInfoEntry {
  	entries := make([]*MigrateInfoEntry, 0, len(exts))
  	for _, entry := range exts {
  		entries = append(entries, entry)
  	}
  
  	return entries
  }
docs: // MapToEntries creates a set of `*MigrateInfoEntry`'s for a given map of
  // filepath extensions to file size in bytes.