An :int32 is the same as an :int.
An :int32 is the same as an :int.

As of gobject-introspection 0.9.1, "int" arguments will be tagged :int32.

mvz/gir_ffi,mvz/gir_ffi,jcupitt/gir_ffi,mvz/gir_ffi,jcupitt/gir_ffi