add log alias for unexp (#812)

Author: Marcos-cat

changelog.md

@@ -55,6 +55,7 @@ This version is not yet released. If you are reading this on the website, then t
 - Implement filled adjacent [`stencil ⧈`](https://uiua.org/docs/stencil)
 - Remove `rkok` alias and change `kork` to format to `▽₂`
 - Add `each` alias for `≡₀`
+- Add `log` alias for [`un °`](https://uiua.org/docs/un)[`exponential ₑ`](https://uiua.org/docs/exponential)
 - Add `set` alias for [`un °`](https://uiua.org/docs/un)[`by ⊸`](https://uiua.org/docs/by)
 - Improve "Array would be too large" error messages
 - Change short form of the `--experimental` flag for `uiua eval` to use `-x` instead of `-e`

parser/src/split.rs

@@ -208,6 +208,7 @@ impl Primitive {
             alias!((s, Un), (et, By)),
             alias!((wr, Sub), (en, By), (ch, Not)),
             alias!((sel, Select), (first, First)),
+            alias!((l, Un), (og, Exp)),
             (
                 "kork",
                 &[