Vendor things

third-party/vendor/bindgen/extra_assertions.rs

@@ -0,0 +1,34 @@
+//! Macros for defining extra assertions that should only be checked in testing
+//! and/or CI when the `testing_only_extra_assertions` feature is enabled.
+
+/// Simple macro that forwards to assert! when using
+/// testing_only_extra_assertions.
+#[macro_export]
+macro_rules! extra_assert {
+    ( $cond:expr ) => {
+        if cfg!(feature = "testing_only_extra_assertions") {
+            assert!($cond);
+        }
+    };
+    ( $cond:expr , $( $arg:tt )+ ) => {
+        if cfg!(feature = "testing_only_extra_assertions") {
+            assert!($cond, $( $arg )* )
+        }
+    };
+}
+
+/// Simple macro that forwards to assert_eq! when using
+/// testing_only_extra_assertions.
+#[macro_export]
+macro_rules! extra_assert_eq {
+    ( $lhs:expr , $rhs:expr ) => {
+        if cfg!(feature = "testing_only_extra_assertions") {
+            assert_eq!($lhs, $rhs);
+        }
+    };
+    ( $lhs:expr , $rhs:expr , $( $arg:tt )+ ) => {
+        if cfg!(feature = "testing_only_extra_assertions") {
+            assert!($lhs, $rhs, $( $arg )* );
+        }
+    };
+}