unresolvedSource method
Returns a message that the following sourceSpans
were unresolvable.
Implementation
String unresolvedSource(
Iterable<SourceSpanMessageTuple> tuples, {
required String reason,
}) {
final buffer = StringBuffer(reason)
..writeln()
..writeln();
for (final tuple in tuples) {
buffer.writeln(tuple.sourceSpan.message(tuple.message));
}
return buffer.toString();
}