pub fn merge_notes<T: MIDINum, N: MIDINote<T>, Err: 'static, I1: Iterator<Item = Result<N, Err>> + Sized, I2: Iterator<Item = Result<N, Err>> + Sized>(
iter1: I1,
iter2: I2,
) -> impl Iterator<Item = Result<N, Err>>Expand description
Merge a pair of two different event iterators together into one iterator.