use_rethrow_when_possible
Use 'rethrow' to rethrow a caught exception.
Description
#The analyzer produces this diagnostic when a caught exception is thrown using a throw
expression rather than a rethrow
statement.
Example
#The following code produces this diagnostic because the caught exception e
is thrown using a throw
expression:
dart
void f() {
try {
// ...
} catch (e) {
throw e;
}
}
Common fixes
#Use rethrow
instead of throw
:
dart
void f() {
try {
// ...
} catch (e) {
rethrow;
}
}
Unless stated otherwise, the documentation on this site reflects Dart 3.7.3. Page last updated on 2025-05-08. View source or report an issue.