Function accelerator_parse 

pub fn accelerator_parse(
    accelerator: impl IntoGStr,
) -> Option<(Key, ModifierType)>

forGDK_HYPER_MASK`

If the parse operation fails, @accelerator_key and @accelerator_mods will be set to 0 (zero).

accelerator

string representing an accelerator

Returns

whether parsing succeeded

accelerator_key

return location for accelerator keyval

accelerator_mods

return location for accelerator modifier mask