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@@ -1,5 +1,5 @@
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/*
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-** $Id: ltable.h,v 2.16 2011/08/17 20:26:47 roberto Exp $
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+** $Id: ltable.h,v 2.16.1.1 2013/04/12 18:48:47 roberto Exp roberto $
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** Lua tables (hash)
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** See Copyright Notice in lua.h
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*/
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@@ -17,6 +17,10 @@
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#define invalidateTMcache(t) ((t)->flags = 0)
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+/* returns the key, given the value of a table entry */
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+#define keyfromval(v) \
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+ (gkey(cast(Node *, cast(char *, (v)) - offsetof(Node, i_val))))
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+
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LUAI_FUNC const TValue *luaH_getint (Table *t, int key);
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LUAI_FUNC void luaH_setint (lua_State *L, Table *t, int key, TValue *value);
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