Add transducer support for srfi-146 mappings
This adds fold, collect, chain, flatten, zip, and interleave procedures for using srfi-146 and (srfi-146 hash) mappings / hashmap types with transducers.
- Fixes #6 (closed)
This adds fold, collect, chain, flatten, zip, and interleave procedures for using srfi-146 and (srfi-146 hash) mappings / hashmap types with transducers.