// such as [Print].
type Stringer interface {
	String() string
}

// GoStringer is implemented by any value that has a GoString method,
// which defines the Go syntax for that value.
// The GoString method is used to print values passed as an operand
// to a %#v format.
type GoStringer interface {
	GoString() string
}

// FormatString returns a string representing the fully qualified formatting

			wid = 9
		}
		buf = appendInt(buf, int(m1), wid)
		buf = append(buf, '.')
		buf = appendInt(buf, int(m2), 9)
		s += string(buf)
	}
	return s
}

// GoString implements [fmt.GoStringer] and formats t to be printed in Go source
// code.
func (t Time) GoString() string {
	abs := t.abs()
	year, month, day, _ := absDate(abs, true)
	hour, minute, second := absClock(abs)

	// copy function will only return non-nil for AST values that
	// need to change.
	// Copy itself returns either a copy or nil.
	Copy(copy func(AST) AST, skip func(AST) bool) AST

	// Implement the fmt.GoStringer interface.
	GoString() string
	goString(indent int, field string) string
}

// ASTToString returns the demangled name of the AST.
func ASTToString(a AST, options ...Option) string {
	tparams := true