New creates a new Watcher backed by fsnotify with optional recursive logic.

PostOrder has directories visited after their contents.

PreOrder has directories visited before their contents.

PathSeparator can be used to override the operating system separator.

Watcher is an interface for a file watcher akin to fsnotify.Watcher with an additional Start method.

FileTree represents a directory in a filesystem-tree structure.

VisitFunc is the type for a callback to visit the entries on a directory and its subdirectories.

VisitOrder is a two-valued flag used to control how directories are visited.