gtk4_sys

Type Alias GtkFontFilterFunc

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

Aliased Type§

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

Variants§

§1.0.0

None

No value.

§1.0.0

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

Some value of type T.