From 7aa11b7a8abacf81dec20fff21216df35d333756 Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <me@liz.coffee>
Date: Sun, 27 Jul 2025 18:50:33 -0700
Subject: Pulls in pengueno from npm

---
 u/types/collections/cons.ts | 40 ----------------------------------------
 1 file changed, 40 deletions(-)
 delete mode 100644 u/types/collections/cons.ts

(limited to 'u/types/collections/cons.ts')

diff --git a/u/types/collections/cons.ts b/u/types/collections/cons.ts
deleted file mode 100644
index 05dbe7c..0000000
--- a/u/types/collections/cons.ts
+++ /dev/null
@@ -1,40 +0,0 @@
-import { IOptional, Mapper, Optional } from '@emprespresso/pengueno';
-
-export interface ICons<T> extends Iterable<T> {
-    readonly value: T;
-    readonly next: IOptional<ICons<T>>;
-
-    readonly replace: Mapper<T, ICons<T>>;
-    readonly before: Mapper<IOptional<ICons<T>>, ICons<T>>;
-}
-
-export class Cons<T> implements ICons<T> {
-    constructor(
-        public readonly value: T,
-        public readonly next: IOptional<ICons<T>> = Optional.none(),
-    ) {}
-
-    public before(head: IOptional<ICons<T>>): ICons<T> {
-        return new Cons<T>(this.value, head);
-    }
-
-    public replace(_value: T): ICons<T> {
-        return new Cons<T>(_value, this.next);
-    }
-
-    *[Symbol.iterator]() {
-        for (let cur = Optional.some<ICons<T>>(this); cur.present(); cur = cur.flatMap((cur) => cur.next)) {
-            yield cur.get().value;
-        }
-    }
-
-    static addOnto<T>(items: Iterable<T>, tail: IOptional<ICons<T>>): IOptional<ICons<T>> {
-        return Array.from(items)
-            .reverse()
-            .reduce((cons, value) => Optional.from<ICons<T>>(new Cons<T>(value, cons)), tail);
-    }
-
-    static from<T>(items: Iterable<T>): IOptional<ICons<T>> {
-        return Cons.addOnto(items, Optional.none());
-    }
-}
-- 
cgit v1.2.3-70-g09d2