Function clingo_sys::clingo_statistics_map_at

pub unsafe extern "C" fn clingo_statistics_map_at(
    statistics: *const clingo_statistics_t, 
    key: u64, 
    name: *const c_char, 
    subkey: *mut u64
) -> bool

Lookup a subkey under the given name.

@pre The @link clingo_statistics_type() type@endlink of the entry must be @ref ::clingo_statistics_type_map.

Note: Multiple levels can be looked up by concatenating keys with a period.

Parameters:

• statistics - the target statistics
• key - the key
• name - the name to lookup the subkey
• subkey - the resulting subkey

Returns whether the call was successful