ast: new class AEqFormExpr to factorize AEqExpr and ANeExpr

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/parser/parser_nodes.nit b/src/parser/parser_nodes.nit
index 9131c3e..5e24989 100644 (file)
--- a/src/parser/parser_nodes.nit
+++ b/src/parser/parser_nodes.nit
@@ -2094,15 +2094,22 @@ class ANotExpr
        var n_expr: AExpr is writable, noinit
 end
 
+# A `==` or a `!=` expression
+#
+# Both have a similar effect on adaptive typing, so this class factorizes the common behavior.
+class AEqFormExpr
+       super ABinopExpr
+end
+
 # A `==` expression
 class AEqExpr
-       super ABinopExpr
+       super AEqFormExpr
        redef fun operator do return "=="
 end
 
 # A `!=` expression
 class ANeExpr
-       super ABinopExpr
+       super AEqFormExpr
        redef fun operator do return "!="
 end