1 files changed, 16 insertions, 0 deletions
diff --git a/mrbgems/mruby-symbol-ext/src/symbol.c b/mrbgems/mruby-symbol-ext/src/symbol.c
index 4ed5d83c6..7ca749999 100644
--- a/mrbgems/mruby-symbol-ext/src/symbol.c
+++ b/mrbgems/mruby-symbol-ext/src/symbol.c
@@ -42,11 +42,27 @@ mrb_sym_all_symbols(mrb_state *mrb, mrb_value self)
   return ary;
 }
 
+/*
+ * call-seq:
+ *   sym.length    -> integer
+ *
+ * Same as <code>sym.to_s.length</code>.
+ */
+static mrb_value
+mrb_sym_length(mrb_state *mrb, mrb_value self)
+{
+  mrb_int len;
+  mrb_sym2name_len(mrb, mrb_symbol(self), &len);
+  return mrb_fixnum_value(len);
+}
+
 void
 mrb_mruby_symbol_ext_gem_init(mrb_state* mrb)
 {
   struct RClass *s = mrb->symbol_class;
   mrb_define_class_method(mrb, s, "all_symbols", mrb_sym_all_symbols, MRB_ARGS_NONE());
+  mrb_define_method(mrb, s, "length", mrb_sym_length, MRB_ARGS_NONE());
+  mrb_define_method(mrb, s, "size", mrb_sym_length, MRB_ARGS_NONE());
 }
 
 void