Fix typo in error name

src/err.rs

@@ -7,7 +7,7 @@ pub enum ErrorType {
     CharNotFound { need: u8, got: u8 },
     MatchNotFound(&'static [u8]),
     NotFound(&'static str),
-    UnexpectedChar(u8),
+    ExpectedChar(u8),
     UnexpectedEnd,
 }
 
@@ -38,8 +38,8 @@ impl ErrorType {
             ErrorType::NotFound(exp) => {
                 format!("Expected {}.", exp)
             }
-            ErrorType::UnexpectedChar(unexp) => {
-                format!("Unexpected {} (U+{:X}).", unexp as char, unexp)
+            ErrorType::ExpectedChar(unexp) => {
+                format!("Expected {} (U+{:X}).", unexp as char, unexp)
             }
             ErrorType::UnexpectedEnd => {
                 format!("Unexpected end of source code.")

src/proc.rs

@@ -157,7 +157,7 @@ impl<'d> Processor<'d> {
             match self.match_reason {
                 RequireReason::Custom => Err(ErrorType::NotFound(custom_reason.unwrap())),
                 RequireReason::ExpectedNotChar(c) => Err(ErrorType::CharNotFound { need: c, got: self.match_char.unwrap() }),
-                RequireReason::ExpectedChar(c) => Err(ErrorType::UnexpectedChar(c)),
+                RequireReason::ExpectedChar(c) => Err(ErrorType::ExpectedChar(c)),
                 RequireReason::ExpectedMatch(m) => Err(ErrorType::MatchNotFound(m)),
             }
         }