build/allow_trust.go
func (m Trustor) MutateAllowTrust(o *xdr.AllowTrustOp) error {
	return setAccountId(m.Address, &o.Trustor)
}
func (m Trustor) MutateAllowTrust(o *xdr.AllowTrustOp) error {
	return setAccountId(m.Address, &o.Trustor)
}
// MutateAllowTrust for Trustor sets the AllowTrustOp's Trustor field