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Pairwise operator
Changes
This PR
- Adds the pairwise operator. It's equivalent to
(buffer 2 1), except for the type returned - Adds a couple of gitignored paths
- Quickly mentions testing in
CONTRIBUTING.mdto avoid new contributors being led astray by thetests.ednfile
Questions
pairwise creates arrays from tuples of emitted values. The type returned by rxjs is a javascript array. I thought of mapping through vec to have a clj type, but in the end I have not, since no type conversion is performed elswhere in beicon. Is this acceptable?