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The arguments are expected to come in key, value, key, value. If you plan on changing the enum values in Lua, set the read_only template parameter in your new_enum call to false. By default, the enum will be made read-only, which creates a tiny performance hit to make the values stored in this table behave exactly like a read-only enumeration in C++. Use this function to create an enumeration type in Lua. args ) template basic_table_core & new_enum ( const std :: string & name, std :: initializer_list > items )
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Template basic_table_core & new_enum ( const std :: string & name, Args &. Please note how callables and lambdas are serialized, as there may be issues on GCC-based implementations. If there are further lookups past a key that do not exist, the additional lookups into the nil-returned variable will cause a panic to be fired by the lua C API. If the keys within nested queries try to traverse into a table that doesn’t exist, it will first pull out a nil value. The second one ( traverse_set) sets a single value, using all but the last argument as keys to do another lookup into the value retrieved prior to it. It is similar to table = value_a table = value_b. The first one ( set) can set multiple values, in the form key_a, value_a, key_b, value_b. These functions set items into the table. args ) template table & traverse_set ( Args &. This function does not create tables where they do not exist. As a short-hand, easy method for returning a default if a value doesn’t exist, you can use get_or instead. If you need to check for keys, check with auto x = table.get>( std::tie("a", "b", "c" ) ), and then use the optional interface to check for errors. The second one ( traverse_get) pulls out a single value, using each successive key provided to do another lookup into the last. Because it returns a std::tuple, you can use std::tie/ std::make_tuple on a multi-get to retrieve all of the necessary variables. It is similar to doing return table, table, table. In the case of multiple return values, it is returned in a std::tuple. The first one ( get) can pull out multiple values, 1 for each key value passed into the function. These functions retrieve items from the table. keys ) const template decltype ( auto ) get_or ( Key & key, T & otherwise ) const template decltype ( auto ) get_or ( Key & key, D & otherwise ) const keys ) const template decltype ( auto ) traverse_get ( Keys &. You also get different DB related utilities, including Import/Export, Dumps, Diagnose, Clone, Reindex. Open as many editors as you like at the same time for different databases/servers opened in tab-panels.
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