Type Alias WelsTraceCallback 

pub type WelsTraceCallback = Option<unsafe extern "C" fn(ctx: *mut c_void, level: c_int, string: *const c_char)>;

Aliased Type

pub enum WelsTraceCallback {
    None,
    Some(unsafe extern "C" fn(*mut c_void, i32, *const i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, i32, *const i8))

Some value of type T.