From 06ba5905f019ca1a8d8e498fe6dce7a94702c9ad Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 6 Feb 2019 22:01:45 +0900
Subject: Implement inline packed symbols.

Small symbols with all alphanumeric characters (<5) are packed in 32bit
symbol integer a la base64. This means those small symbols are not
listed in `Symbol.all_symbols`.
---
 mrbgems/mruby-symbol-ext/src/symbol.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'mrbgems/mruby-symbol-ext/src')

diff --git a/mrbgems/mruby-symbol-ext/src/symbol.c b/mrbgems/mruby-symbol-ext/src/symbol.c
index 215226502..05e7d5b91 100644
--- a/mrbgems/mruby-symbol-ext/src/symbol.c
+++ b/mrbgems/mruby-symbol-ext/src/symbol.c
@@ -30,7 +30,8 @@ mrb_sym_all_symbols(mrb_state *mrb, mrb_value self)
   mrb_value ary = mrb_ary_new_capa(mrb, mrb->symidx);
 
   for (i=1, lim=mrb->symidx+1; i<lim; i++) {
-    mrb_ary_push(mrb, ary, mrb_symbol_value(i));
+    mrb_sym sym = i<<1;
+    mrb_ary_push(mrb, ary, mrb_symbol_value(sym));
   }
 
   return ary;
-- 
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