1 files changed, 80 insertions, 0 deletions
diff --git a/headers/src/macros.rs b/headers/src/macros.rs
new file mode 100644
index 0000000..28dc2c9
--- /dev/null
+++ b/headers/src/macros.rs
@@ -0,0 +1,80 @@
+macro_rules! sep_for {
+    ($var:ident in $iter:expr; sep $sep:block; $($rem:tt)* ) => {{
+        let mut first = true;
+        for $var in $iter {
+            if first { first = false; }
+            else {
+                $sep
+            }
+            $( $rem )*
+        }
+    }}
+}
+
+
+macro_rules! deref0 {
+    (+mut $name:ident => $tp:ty) => (
+        deref0!{-mut $name => $tp }
+        impl ::std::ops::DerefMut for $name {
+            fn deref_mut( &mut self ) -> &mut Self::Target {
+                &mut self.0
+            }
+        }
+    );
+    (-mut $name:ident => $tp:ty) => (
+        impl ::std::ops::Deref for $name {
+            type Target = $tp;
+            fn deref( &self ) -> &Self::Target {
+                &self.0
+            }
+        }
+    );
+}
+
+
+#[cfg(test)]
+macro_rules! assert_ok {
+    ($val:expr) => ({
+        match $val {
+            Ok( res ) => res,
+            Err( err ) => panic!( "expected Ok(..) got Err({:?})", err)
+        }
+    });
+    ($val:expr, $ctx:expr) => ({
+        match $val {
+            Ok( res ) => res,
+            Err( err ) => panic!( "expected Ok(..) got Err({:?}) [ctx: {:?}]", err, $ctx)
+        }
+    });
+}
+
+#[cfg(test)]
+macro_rules! assert_err {
+    ($val:expr) => ({
+        match $val {
+            Ok( val ) => panic!( "expected Err(..) got Ok({:?})", val),
+            Err( err ) => err,
+        }
+    });
+    ($val:expr, $ctx:expr) => ({
+        match $val {
+            Ok( val ) => panic!( "expected Err(..) got Ok({:?}) [ctx: {:?}]", val, $ctx),
+            Err( err ) => err,
+        }
+    });
+}
+
+#[cfg(test)]
+macro_rules! test {
+    ($name:ident $code:block) => (
+        #[test]
+        fn $name() {
+            fn inner() -> Result<(), ::failure::Error> {
+                $code;
+                #[allow(unreachable_code)]
+                Ok(())
+            }
+            inner().unwrap();
+        }
+    );
+}
+\ No newline at end of file