fix: #127 self-reference endless recursion

It seems that his simple hash correction fixes the endless recursion.
tokay-lang · Jul 6, 2024 · 0e17b59 · 0e17b59
1 parent a62a2a0
commit 0e17b59
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diff --git a/src/compiler/iml/imlvalue.rs b/src/compiler/iml/imlvalue.rs
@@ -491,7 +491,7 @@ impl std::hash::Hash for ImlValue {
             }
             Self::Parselet(parselet) => {
                 state.write_u8('p' as u8);
-                parselet.hash(state);
+                parselet.borrow().id().hash(state);
             }
             other => unreachable!("{:?} is unhashable", other),
         }

diff --git a/tests/parselet_generic_selfref.tok b/tests/parselet_generic_selfref.tok
@@ -3,8 +3,7 @@ Assignment : @<Expression, Assignment: Assignment, ext: void> {
     Expression  ast("value")
 }
 
-# HoldAssignment : Assignment<Int, HoldAssignment>  # fails with endless recursion!
-HoldAssignment : Assignment<Int, HoldAssignment> Empty  # workaround!
+HoldAssignment : Assignment<Int, HoldAssignment>
 
 # ast_print(Assignment<Int>)
 ast_print(HoldAssignment)