initial implementation done

1 files changed, 15 insertions, 0 deletions

diff --git a/src/util.rs b/src/util.rs
index e69de29..809287f 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -0,0 +1,15 @@
+#[macro_export]
+macro_rules! parse_match {
+    ( $matchee:expr, $pos:expr, $map:expr, $bytes:expr, $name:expr, $(($pattern:pat, $type:ty, $variant:expr)),* ) => {
+        match $matchee {
+            $(
+                $pattern => {
+                    let value: $type;
+
+                    $pos = $pos + value.parse(&$bytes[($pos)..]);
+                    $map.insert($name, $variant(value));
+                },
+            )*
+        };
+    };
+}