gotools/godoc/vfs/os.go

var GOROOT …

// OS returns an implementation of FileSystem reading from the
// tree rooted at root.  Recording a root is convenient everywhere
// but necessary on Windows, because the slash-separated path
// passed to Open has no way to specify a drive letter.  Using a root
// lets code refer to OS(`c:\`), OS(`d:\`) and so on.
func OS(root string) FileSystem { … }

type osFS …

func isGoPath(path string) bool { … }

func (root osFS) String() string { … }

// RootType returns the root type for the filesystem.
//
// Note that we ignore the path argument because roottype is a property of
// this filesystem. But for other filesystems, the roottype might need to be
// dynamically deduced at call time.
func (root osFS) RootType(path string) RootType { … }

func (root osFS) resolve(path string) string { … }

func (root osFS) Open(path string) (ReadSeekCloser, error) { … }

func (root osFS) Lstat(path string) (os.FileInfo, error) { … }

func (root osFS) Stat(path string) (os.FileInfo, error) { … }

func (root osFS) ReadDir(path string) ([]os.FileInfo, error) { … }