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