fix!: Parse ! as negation instead of -, as per the spec

glennib · Jan 6, 2025 · 97e038c · 97e038c
1 parent 7b40c31
commit 97e038c
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Showing 3 changed files with 4 additions and 4 deletions.
diff --git a/README.md b/README.md
@@ -54,7 +54,7 @@ fn main() {
     }
 
     // Select fields to exclude
-    let tree = Tree::parse("-(bio)").unwrap();
+    let tree = Tree::parse("!(bio)").unwrap();
 
     assert!(tree.negation());
 }

diff --git a/src/lib.rs b/src/lib.rs
@@ -27,7 +27,7 @@
 //! }
 //!
 //! // Select fields to exclude
-//! let tree = Tree::parse("-(bio)").unwrap();
+//! let tree = Tree::parse("!(bio)").unwrap();
 //!
 //! assert!(tree.negation());
 //! ```

diff --git a/src/parser.rs b/src/parser.rs
@@ -106,7 +106,7 @@ impl<'s> FieldsStruct<'s> {
 
 impl<'s> Fields<'s> {
     fn parse(input: &mut &'s str) -> PResult<Self> {
-        let negation = opt('-').parse_next(input)?.is_some();
+        let negation = opt('!').parse_next(input)?.is_some();
         let fields_struct = FieldsStruct::parse.parse_next(input)?;
         Ok(Self {
             fields_struct,
@@ -153,7 +153,7 @@ mod tests {
 
     #[test]
     fn fields() {
-        let s = "-(field_a)";
+        let s = "!(field_a)";
         let fields: Fields = s.try_into().unwrap();
         assert!(fields.negation);
         let field_items = fields.fields_struct.0.0;