[gcc/devel/rust/master] ast: Dump tuple type

[Thomas Schwinge]

https://gcc.gnu.org/g:9b6d82061208796389e064cbe6707a3787a264fe

commit 9b6d82061208796389e064cbe6707a3787a264fe
Author: Jakub Dupak <dev@jakubdupak.com>
Date:   Sun Nov 6 21:27:49 2022 +0100

    ast: Dump tuple type
    
    Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

Diff:
---
 gcc/rust/ast/rust-ast-dump.cc | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/gcc/rust/ast/rust-ast-dump.cc b/gcc/rust/ast/rust-ast-dump.cc
index 3af4895269c..9393f957aa2 100644
--- a/gcc/rust/ast/rust-ast-dump.cc
+++ b/gcc/rust/ast/rust-ast-dump.cc
@@ -1580,16 +1580,24 @@ Dump::visit (TraitObjectTypeOneBound &)
 {}
 
 void
-Dump::visit (TupleType &)
-{}
+Dump::visit (TupleType &type)
+{
+  // Syntax:
+  //   ( )
+  //   | ( ( Type , )+ Type? )
+
+  stream << '(';
+  visit_items_joined_by_separator (type.get_elems (), ", ");
+  stream << ')';
+}
 
 void
 Dump::visit (NeverType &)
 {
-    // Syntax:
-    //  !
+  // Syntax:
+  //  !
 
-    stream << '!';
+  stream << '!';
 }
 
 void