Function clingo_sys::clingo_configuration_map_at

pub unsafe extern "C" fn clingo_configuration_map_at(
    configuration: *const clingo_configuration_t, 
    key: clingo_id_t, 
    name: *const c_char, 
    subkey: *mut clingo_id_t
) -> bool

Lookup a subkey under the given name.

@pre The @link clingo_configuration_type() type@endlink of the entry must be @ref ::clingo_configuration_type_map. @note Multiple levels can be looked up by concatenating keys with a period. @param[in] configuration the target configuration @param[in] key the key @param[in] name the name to lookup the subkey @param[out] subkey the resulting subkey @return whether the call was successful