Deprecated 2.0.0Since 0.9.2Deprecatedufuncs: unicode_funcs_t
a Unicode-function structure
Deprecatedfunc: unicode_eastasian_width_func_t
The callback function to assign
Deprecateddestroy: destroy_func_t
The function to call when user_data is not needed anymore
Sets the implementation function for HarfBuzz.unicode_eastasian_width_func_t.