persist

var (
	// ErrBadFilenameSuffix indicates that SaveJSON or LoadJSON was called using
	// a filename that has a bad suffix. This prevents users from trying to use
	// this package to manage the temp files - this package will manage them
	// automatically.
	ErrBadFilenameSuffix = errors.New("filename suffix not allowed")

	// ErrFileInUse is returned if SaveJSON or LoadJSON is called on a file
	// that's already being manipulated in another thread by the persist
	// package.
	ErrFileInUse = errors.New("another thread is saving or loading this file")
)

var (
	// ErrBadHeader indicates that the file opened is not the file that was
	// expected.
	ErrBadHeader = errors.New("wrong header")

	// ErrBadVersion indicates that the version number of the file is not
	// compatible with the current codebase.
	ErrBadVersion = errors.New("incompatible version")
)

var (
	// ErrHashWrongLen is the error when encoded value has the wrong
	// length to be a hash.
	ErrHashWrongLen = errors.New("encoded value has the wrong length to be a hash")
)