Type Alias gtk4_sys::GtkFontFilterFunc

pub type GtkFontFilterFunc = Option<unsafe extern "C" fn(_: *const PangoFontFamily, _: *const PangoFontFace, _: gpointer) -> gboolean>;

Aliased Type

enum GtkFontFilterFunc {
    None,
    Some(unsafe extern "C" fn(_: *const PangoFontFamily, _: *const PangoFontFace, _: *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *const PangoFontFamily, _: *const PangoFontFace, _: *mut c_void) -> i32)

Some value of type T.