34 #ifndef __GECODE_FLATZINC_SYMBOLTABLE_HH__
35 #define __GECODE_FLATZINC_SYMBOLTABLE_HH__
39 #ifdef GECODE_HAS_UNORDERED_MAP
40 #include <unordered_map>
41 #elif defined(GECODE_HAS_GNU_HASH_MAP)
42 #include <ext/hash_map>
47 namespace Gecode {
namespace FlatZinc {
53 #ifdef GECODE_HAS_UNORDERED_MAP
54 typedef std::unordered_map<std::string,Val> mymap;
55 #elif defined(GECODE_HAS_GNU_HASH_MAP)
58 size_t operator ()(
const std::string&
x)
const {
59 return __gnu_cxx::hash<const char*>()(
x.c_str());
62 typedef __gnu_cxx::hash_map<std::string,Val,hashString> mymap;
64 typedef std::map<std::string,Val> mymap;
69 bool put(
const std::string& key,
const Val& val);
71 bool get(
const std::string& key, Val& val)
const;
77 typename mymap::const_iterator
i = m.find(key);
78 bool fresh = (
i == m.end());
86 typename mymap::const_iterator
i = m.find(key);