Swap precedence of negation and factorial (#865)

pest-parser · Jun 16, 2023 · 5ce7b43 · 5ce7b43
1 parent a4c93a7
commit 5ce7b43
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/derive/examples/calc.rs b/derive/examples/calc.rs
@@ -72,8 +72,8 @@ fn main() {
         .op(Op::infix(Rule::add, Left) | Op::infix(Rule::sub, Left))
         .op(Op::infix(Rule::mul, Left) | Op::infix(Rule::div, Left))
         .op(Op::infix(Rule::pow, Right))
-        .op(Op::postfix(Rule::fac))
-        .op(Op::prefix(Rule::neg));
+        .op(Op::prefix(Rule::neg))
+        .op(Op::postfix(Rule::fac));
 
     let stdin = stdin();
     let mut stdout = stdout();

diff --git a/pest/src/pratt_parser.rs b/pest/src/pratt_parser.rs
@@ -142,8 +142,8 @@ impl<R: RuleType> BitOr for Op<R> {
 ///         .op(Op::infix(Rule::add, Assoc::Left) | Op::infix(Rule::sub, Assoc::Left))
 ///         .op(Op::infix(Rule::mul, Assoc::Left) | Op::infix(Rule::div, Assoc::Left))
 ///         .op(Op::infix(Rule::pow, Assoc::Right))
-///         .op(Op::postfix(Rule::fac))
-///         .op(Op::prefix(Rule::neg));
+///         .op(Op::prefix(Rule::neg))
+///         .op(Op::postfix(Rule::fac));
 /// ```
 ///
 /// To parse an expression, call the [`map_primary`], [`map_prefix`], [`map_postfix`],