Remove unused things

src/component.ts

@@ -3,7 +3,6 @@ import {
   Future,
   isBehavior,
   Now,
-  observe,
   placeholder,
   runNow,
   sinkBehavior,
@@ -78,7 +77,6 @@ export abstract class Component<O, A> implements Monad<A> {
         this
       );
     }
-    // return new OutputComponent(remaps, this);
   }
   static multi: boolean = false;
   multi: boolean = false;
@@ -124,22 +122,6 @@ export function liftNow<A>(now: Now<A>): Component<{}, A> {
   return performComponent(() => runNow(now));
 }
 
-class OutputComponent extends Component<any, any> {
-  constructor(
-    private remaps: Record<string, string>,
-    private comp: Component<any, any>
-  ) {
-    super();
-    // this.explicitOutput = Object.keys(remaps);
-  }
-  run(parent: DomApi, destroyed: Future<boolean>): any {
-    const { explicit, output } = this.comp.run(parent, destroyed);
-    const newExplicit = copyRemaps(this.remaps, output);
-    const finalExplicit = mergeObj(output, newExplicit);
-    return { explicit: newExplicit, output };
-  }
-}
-
 class HandleOutput<O, A, P> extends Component<P, A> {
   constructor(
     private readonly handler: (explicit: O, output: A) => P,
@@ -154,8 +136,6 @@ class HandleOutput<O, A, P> extends Component<P, A> {
   }
 }
 
-type AnyValues<A extends Record<string, any>> = { [K in keyof A]: any };
-
 export type Remap<
   A extends Record<any, any>,
   B extends Record<any, keyof A>
@@ -194,10 +174,7 @@ class FlatMapComponent<O, A, B> extends Component<O, B> {
       parent,
       destroyed
     );
-    const { explicit: _discarded, output } = this.f(outputFirst).run(
-      parent,
-      destroyed
-    );
+    const { output } = this.f(outputFirst).run(parent, destroyed);
     return { explicit, output };
   }
 }
@@ -446,8 +423,6 @@ export type ComponentExplicitOutput<C> = C extends Component<infer O, any>
  */
 export type ComponentOutput<C> = C extends Component<any, infer A> ? A : never;
 
-type Co<O> = Component<O, any>;
-
 export type ChildExplicitOutput<Ch extends Child> = ComponentExplicitOutput<
   ToComponent<Ch>
 >;

src/utils.ts

@@ -11,29 +11,10 @@ function arrayConcat<A>(arr1: A[], arr2: A[]): A[] {
   return result;
 }
 
-export function fst<A, B>(a: [A, B]): A {
-  return a[0];
-}
-
-export function snd<A, B>(a: [A, B]): B {
-  return a[1];
-}
-
 function isObject(item: any): item is Object {
   return typeof item === "object" && !Array.isArray(item) && !isBehavior(item);
 }
 
-export function get<K extends string>(prop: K): any {
-  return <V, Obj extends Record<K, V>>(obj: Obj): Obj[K] => obj[prop];
-}
-
-export function assign<A, B>(a: A, b: B): A & B {
-  for (const key of Object.keys(b) as (keyof B)[]) {
-    (a as any)[key] = b[key];
-  }
-  return a as any;
-}
-
 export function mergeObj<A, B>(a: A, b: B): A & B {
   const c: { [key: string]: any } = {};
   for (const key of Object.keys(a) as (keyof A & string)[]) {