Merge pull request RustPython#2344 from isidentical/issue-2343

Add NamedExpression AST class

Author: coolreader18

vm/src/stdlib/ast.rs

@@ -683,13 +683,15 @@ pub fn make_module(vm: &VirtualMachine) -> PyObjectRef {
         "Module" => py_class!(ctx, "Module", &ast_base, {}),
         "Name" => py_class!(ctx, "Name", &ast_base, {}),
         "NameConstant" => py_class!(ctx, "NameConstant", &ast_base, {}),
+        "NamedExpression" => py_class!(ctx, "NamedExpression", &ast_base, {}),
         "Nonlocal" => py_class!(ctx, "Nonlocal", &ast_base, {}),
         "Num" => py_class!(ctx, "Num", &ast_base, {}),
         "Pass" => py_class!(ctx, "Pass", &ast_base, {}),
         "Raise" => py_class!(ctx, "Raise", &ast_base, {}),
         "Return" => py_class!(ctx, "Return", &ast_base, {}),
         "Set" => py_class!(ctx, "Set", &ast_base, {}),
         "SetComp" => py_class!(ctx, "SetComp", &ast_base, {}),
+        "Slice" => py_class!(ctx, "Slice", &ast_base, {}),
         "Starred" => py_class!(ctx, "Starred", &ast_base, {}),
         "Starred" => py_class!(ctx, "Starred", &ast_base, {}),
         "Str" => py_class!(ctx, "Str", &ast_base, {}),