From 51aefc5bf907ddffaaf083ded0de773adcdf08c8 Mon Sep 17 00:00:00 2001 From: Nikita Sobolev Date: Sat, 27 Apr 2024 13:36:06 +0300 Subject: [PATCH] gh-118323: Document `&&` grammar syntax (#118324) --- Grammar/python.gram | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Grammar/python.gram b/Grammar/python.gram index 3943d7fec5db03..05d7837e3aa6db 100644 --- a/Grammar/python.gram +++ b/Grammar/python.gram @@ -78,6 +78,9 @@ _PyPegen_parse(Parser *p) # Fail if e can be parsed, without consuming any input. # ~ # Commit to the current alternative, even if it fails to parse. +# &&e +# Eager parse e. The parser will not backtrack and will immediately +# fail with SyntaxError if e cannot be parsed. # # STARTING RULES