Support string key in `Struct#[]=`.

1 files changed, 8 insertions, 0 deletions

diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c
index a15655dbb..adac60202 100644
--- a/mrbgems/mruby-struct/src/struct.c
+++ b/mrbgems/mruby-struct/src/struct.c
@@ -660,6 +660,14 @@ mrb_struct_aset(mrb_state *mrb, mrb_value s)
 
   mrb_get_args(mrb, "oo", &idx, &val);
 
+  if (mrb_string_p(idx)) {
+    mrb_value sym = mrb_check_intern_str(mrb, idx);
+
+    if (mrb_nil_p(sym)) {
+      mrb_raisef(mrb, E_INDEX_ERROR, "no member '%S' in struct", idx);
+    }
+    idx = sym;
+  }
   if (mrb_symbol_p(idx)) {
     return mrb_struct_aset_sym(mrb, s, mrb_symbol(idx), val);
   }