Type Alias PrismLogCallback 

pub type PrismLogCallback = Option<unsafe extern "C" fn(userdata: *mut c_void, level: PrismLogLevel, source: *const c_char, message: *const c_char)>;

The type of a function invoked to deliver a single log message.

Aliased Type

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

Variants

None

No value.

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

Some value of type T.