Creates a new FormatException with an optional error message
.
Optionally also supply the actual source
with the incorrect format, and the offset
in the format where a problem was detected.
const FormatException([this.message = "", this.source, this.offset]);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-core/FormatException/FormatException.html