Macro mzpeaks::implement_centroidlike_inner

macro_rules! implement_centroidlike_inner {
    ($t:ty, true, true) => { ... };
    ($t:ty, true, false) => { ... };
    ($t:ty, false, true) => { ... };
}

The first argument is the type, the second is whether to strictly adhere to the indexing requirement, and the third is whether or not to generate From specializations.