Fix bug in parsing order for literals.

src/parser/parser.rs

@@ -402,14 +402,14 @@ fn rvalue(i: &str) -> IResult<&str, RValue> {
     alt((
         map(path, RValue::RVPath),
         map(template_string_rvalue, RValue::RVTemplate),
-        map(postitive_integer_literal, |num| {
-            RValue::RVLiteral(OwnedLiteral::LPositiveInteger(num))
+        map(float_literal, |num| {
+            RValue::RVLiteral(OwnedLiteral::LFloat(num))
         }),
         map(negative_integer_literal, |num| {
             RValue::RVLiteral(OwnedLiteral::LNegativeInteger(num))
         }),
-        map(float_literal, |num| {
-            RValue::RVLiteral(OwnedLiteral::LFloat(num))
+        map(postitive_integer_literal, |num| {
+            RValue::RVLiteral(OwnedLiteral::LPositiveInteger(num))
         }),
     ))(i)
 }
@@ -739,6 +739,13 @@ mod tests {
     use nom::error::ErrorKind;
     use nom::Err::Error;
 
+    #[test]
+    fn test_direct_literal() {
+        assert_eq!(super::float_literal("-17.4"), Ok(("", -17.4)));
+        assert_eq!(super::float_literal("17.1"), Ok(("", 17.1)));
+        assert_eq!(super::negative_integer_literal("-12"), Ok(("", -12)));
+    }
+
     #[test]
     fn test_reference() {
         assert_eq!(