Lua binding for std::map<>::at()
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@ -1293,6 +1293,23 @@ struct CFunc
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return 1;
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}
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// generate table from std::map
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template <class K, class V>
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static int mapAt (lua_State *L)
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{
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typedef std::map<K, V> C;
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C const* const t = Userdata::get <C> (L, 1, true);
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if (!t) { return luaL_error (L, "invalid pointer to std::map"); }
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K const key = Stack<K>::get (L, 2);
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typename C::const_iterator iter = t->find(key);
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if (iter == t->end()) {
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return 0;
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}
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Stack <V>::push (L, (*iter).second);
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return 1;
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}
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//--------------------------------------------------------------------------
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// generate std::set from table keys ( table[member] = true )
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// http://www.lua.org/pil/11.5.html
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@ -1749,7 +1749,8 @@ public:
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.addFunction ("count", (T_SIZE (LT::*)(const K&) const)<::count)
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.addExtCFunction ("add", &CFunc::tableToMap<K, V>)
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.addExtCFunction ("iter", &CFunc::mapIter<K, V>)
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.addExtCFunction ("table", &CFunc::mapToTable<K, V>);
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.addExtCFunction ("table", &CFunc::mapToTable<K, V>)
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.addExtCFunction ("at", &CFunc::mapAt<K, V>);
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}
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template <class T>
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