Merge pull request #11191 from Snektron/zig-gdb-improvements

Zig gdb improvements

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/std/multi_array_list.zig b/lib/std/multi_array_list.zig
index 53eb8fa352..2af723d3a5 100644
--- a/lib/std/multi_array_list.zig
+++ b/lib/std/multi_array_list.zig
@@ -1,4 +1,5 @@
 const std = @import("std.zig");
+const builtin = @import("builtin");
 const assert = std.debug.assert;
 const meta = std.meta;
 const mem = std.mem;
@@ -433,6 +434,19 @@ pub fn MultiArrayList(comptime S: type) type {
         fn FieldType(field: Field) type {
             return meta.fieldInfo(S, field).field_type;
         }
+
+        /// This function is used in tools/zig-gdb.py to fetch the child type to facilitate
+        /// fancy debug printing for this type.
+        fn gdbHelper(self: *Self, child: *S) void {
+            _ = self;
+            _ = child;
+        }
+
+        comptime {
+            if (builtin.mode == .Debug) {
+                _ = gdbHelper;
+            }
+        }
     };
 }