Initial commit WIP

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/syn/util.rs

@@ -0,0 +1,11 @@
+pub fn got_char_or_eof(got: Option<char>) -> String {
+    if let Some(got) = got {
+        expected_got_char(got)
+    } else {
+        "EOF".to_string()
+    }
+}
+
+pub fn expected_got_char(c: char) -> String {
+    format!("character {}", c.escape_debug())
+}