case uint32:
		vals[i] = uint32(m.mutateUInt(uint64(v), math.MaxUint32))
	case uint64:
		vals[i] = m.mutateUInt(v, maxUint)
	case float32:
		vals[i] = float32(m.mutateFloat(float64(v), math.MaxFloat32))
	case float64:
		vals[i] = m.mutateFloat(v, math.MaxFloat64)
	case bool:
		if m.rand(2) == 1 {
			vals[i] = !v // 50% chance of flipping the bool
		}
	case rune: // int32