plus method
Returns the union of this and other.
Implementation
NumericExtents plus(NumericExtents other) {
if (min <= other.min) {
if (max >= other.max) {
return this;
} else {
return NumericExtents(min, other.max);
}
} else {
if (other.max >= max) {
return other;
} else {
return NumericExtents(other.min, max);
}
}
}