operator | method
Returns a matcher that matches any character matched by either this
matcher or other
.
Implementation
CharMatcher operator |(CharMatcher other) {
if (other is AnyCharMatcher) {
return other;
} else if (other is NoneCharMatcher) {
return this;
} else if (other is DisjunctiveCharMatcher) {
return DisjunctiveCharMatcher([this, ...other.matchers]);
} else {
return DisjunctiveCharMatcher([this, other]);
}
}