Clone this repo:
  1. 76b44c7 [StatementSwitchToExpressionSwitch] Bugfix to not group `case null` with a normal case following it by markbrady · 3 hours ago master
  2. b8acf10 Generalise FloggerArgumentToString to catch unnecessary `toString`ing on the way into lenient format methods. by ghm · 8 hours ago
  3. b1f72fb Ensure that bugpatterns with generated docs are unique by Liam Miller-Cushon · 18 hours ago
  4. cecce2e Retain comments around unreachable statements if they contain "LINT.". by ghm · 5 days ago
  5. bf94fcf [StatementSwitchToExpressionSwitch] don't delete comments following a converted `return switch` if there are no statements following it by markbrady · 5 days ago

Error Prone

Error Prone is a static analysis tool for Java that catches common programming mistakes at compile-time.

public class ShortSet {
  public static void main (String[] args) {
    Set<Short> s = new HashSet<>();
    for (short i = 0; i < 100; i++) {
      s.add(i);
      s.remove(i - 1);
    }
    System.out.println(s.size());
  }
}
error: [CollectionIncompatibleType] Argument 'i - 1' should not be passed to this method;
its type int is not compatible with its collection's type argument Short
      s.remove(i - 1);
              ^
    (see https://errorprone.info/bugpattern/CollectionIncompatibleType)
1 error

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Our documentation is at errorprone.info.

Error Prone works with Bazel, Maven, Ant, and Gradle. See our installation instructions for details.

Developing Error Prone

Developing and building Error Prone is documented on the wiki.

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