PhidgetFrequencyCounter_OnFrequencyChangeCallback

Type Alias PhidgetFrequencyCounter_OnFrequencyChangeCallback 

Source
pub type PhidgetFrequencyCounter_OnFrequencyChangeCallback = Option<unsafe extern "C" fn(ch: PhidgetFrequencyCounterHandle, ctx: *mut c_void, frequency: f64)>;

Aliased Type§

pub enum PhidgetFrequencyCounter_OnFrequencyChangeCallback {
    None,
    Some(unsafe extern "C" fn(*mut _PhidgetFrequencyCounter, *mut c_void, f64)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(*mut _PhidgetFrequencyCounter, *mut c_void, f64))

Some value of type T.