Type Alias Tk_CustomOptionGetProc 

pub type Tk_CustomOptionGetProc = Option<unsafe extern "C" fn(clientData: ClientData, tkwin: Tk_Window, widgRec: *mut c_char, offset: c_int) -> *mut Tcl_Obj>;

Aliased Type

pub enum Tk_CustomOptionGetProc {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut Tk_Window_, *mut i8, i32) -> *mut Tcl_Obj),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut Tk_Window_, *mut i8, i32) -> *mut Tcl_Obj)

Some value of type T.