Rollup merge of #57008 - Knium:misleading-try-adding-parentheses-in-match-with-comma, r=oli-obk

suggest `|` when `,` founds in invalid match value

Issue #54807
I get stuck on (what | how) I should implement...

1 files changed, 6 insertions, 1 deletions

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 65572102c59..514b2952c50 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -4381,9 +4381,14 @@ impl<'a> Parser<'a> {
             if let Ok(seq_snippet) = self.sess.source_map().span_to_snippet(seq_span) {
                 err.span_suggestion(
                     seq_span,
-                    "try adding parentheses",
+                    "try adding parentheses to match on a tuple..",
                     format!("({})", seq_snippet),
                     Applicability::MachineApplicable
+                ).span_suggestion(
+                    seq_span,
+                    "..or a vertical bar to match on multiple alternatives",
+                    format!("{}", seq_snippet.replace(",", " |")),
+                    Applicability::MachineApplicable
                 );
             }
             return Err(err);