Function filter

filter(set): ((notes) => string[])
Filter a list with a pitch class set
Parameters
- set: Set
  the pitch class set notes
Returns ((notes) => string[])
the filtered notes
- - (notes): string[]
  - Parameters
    - notes: string[]
    Returns string[]
Example
```
Pcset.filter(["C", "D", "E"], ["c2", "c#2", "d2", "c3", "c#3", "d3"]) // => [ "c2", "d2", "c3", "d3" ])
Pcset.filter(["C2"], ["c2", "c#2", "d2", "c3", "c#3", "d3"]) // => [ "c2", "c3" ])
```
- Defined in src/music/pcset/index.ts:294