XOR returned value from id function by constant

1ea29920 · Chris Ramstad · b8994b25 · 1ea29920 · 1ea29920
Commit 1ea29920 authored Jul 31, 2014 by Chris Ramstad
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Showing with 6 additions and 5 deletions

src/runtime/builtin_modules/builtins.cpp src/runtime/builtin_modules/builtins.cpp +1 -1

test/tests/id.py test/tests/id.py +5 -4

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--- a/src/runtime/builtin_modules/builtins.cpp
+++ b/src/runtime/builtin_modules/builtins.cpp
@@ -181,7 +181,7 @@ extern "C" Box* sum(Box* container, Box* initial) {
 }
 extern "C" Box* id(Box* arg) {
-    i64 addr = (i64)(arg);
+    i64 addr = (i64)(arg) ^ 0xdeadbeef00000003;
    return boxInt(addr);
 }

--- a/test/tests/id.py
+++ b/test/tests/id.py
@@ -2,7 +2,8 @@ x = 'Hi'
 y = 1
 z = (42, 7)
 f = (2,) + z
-id(x)
+print id(x) == id(x)
-id(y)
+print id(y) != id(x)
-id(z)
+print id(z) == id(z)
-id(f)
+print id(f) != id(z)