Type Alias paho_mqtt_sys::Persistence_containskey
source · pub type Persistence_containskey = Option<unsafe extern "C" fn(handle: *mut c_void, key: *mut c_char) -> c_int>;
Aliased Type§
enum Persistence_containskey {
None,
Some(unsafe extern "C" fn(_: *mut c_void, _: *mut i8) -> i32),
}