func (p *Process) Readable(a Address) bool {
	return p.findMapping(a) != nil
}
func (p *Process) Readable(a Address) bool {
	return p.findMapping(a) != nil
}
func ( p * Process ) Readable ( a Address ) bool { return p . findMapping ( a ) != nil }
// Readable reports whether the address a is readable.
Readable reports whether the address a is readable .