A convenient set of rebar options added to rebar.config

rebar.config

@@ -5,4 +5,19 @@
 %% uncomment to get verbose output from test suite
 %% {eunit_opts, [verbose]}.
 
-{erl_opts, [{i, "src"}, {src_dirs, ["src"]}]}.
+{erl_opts, [{i, "src"}, {src_dirs, ["src"]},
+            warn_unused_vars,
+            warn_export_all,
+            warn_shadow_vars,
+            warn_unused_import,
+            warn_unused_function,
+            warn_bif_clash,
+            warn_unused_record,
+            warn_deprecated_function,
+            warn_obsolete_guard,
+            strict_validation,
+            warn_export_vars,
+            warn_exported_vars,
+            debug_info]}.
+{dialyzer_opts, [{warnings, [unmatched_returns, error_handling, race_conditions, behaviours]}]}.
+{xref_checks, [undefined_function_calls]}.