[macintux]

Exactly. I don’t know what the typical industry term for it might be.

[mercer]

Multiple Dispatch / Multimethods (I think?)

[macintux]

Interesting, it appears that multiple dispatch is accurate. Thanks.

[mgradowski]

Pattern matching!

[macintux]

No, it relies on that, but the creation of multiple function clauses via different matched heads itself isn't simply pattern matching.