Retracer constructor
Implementation
Retracer(String filename) {
try {
var json = new File(filename).readAsStringSync();
_mapping = parse(json);
} catch (e) {
throw new ArgumentError("Failed to open file $filename - $e");
}
}
Retracer(String filename) {
try {
var json = new File(filename).readAsStringSync();
_mapping = parse(json);
} catch (e) {
throw new ArgumentError("Failed to open file $filename - $e");
}
}