Merge #8685

8685: feat: parse const param defaults r=jonas-schievink a=jonas-schievink

These will probably be stabilized in a few releases, let's make sure we can at least parse them

bors r+

Co-authored-by: Jonas Schievink <[email protected]>

2 files changed, 99 insertions, 0 deletions

diff --git a/crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rast b/crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rast
new file mode 100644
index 000000000..e8f40a4cd
--- /dev/null
+++ b/crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rast
@@ -0,0 +1,96 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "A"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "const"
+        [email protected] " "
+        [email protected]
+          [email protected] "N"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "i32"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "-"
+            [email protected]
+              [email protected] "1"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "B"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "const"
+        [email protected] " "
+        [email protected]
+          [email protected] "N"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "i32"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "{"
+            [email protected] "}"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "C"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "const"
+        [email protected] " "
+        [email protected]
+          [email protected] "N"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "i32"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "some"
+              [email protected] "::"
+              [email protected]
+                [email protected]
+                  [email protected] "CONST"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rs b/crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rs
new file mode 100644
index 000000000..68388c8fb
--- /dev/null
+++ b/crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rs
@@ -0,0 +1,3 @@
+struct A<const N: i32 = -1>;
+struct B<const N: i32 = {}>;
+struct C<const N: i32 = some::CONST>;