chore: address lint issues

Author: mfulton26

2023/day/17/part/1/solve.ts

@@ -6,7 +6,6 @@ type Node = Vector & { d: Direction; heatLoss: number };
 
 export default function solve(input: string) {
   const blocks = input.split("\n").map((line) => Array.from(line, Number));
-  const { length: height, 0: { length: width } } = blocks;
   const heatLosses = blocks.map((row) =>
     row.map(() => new Map<string, number>())
   );

2024/day/3/part/2/solve.ts

@@ -2,6 +2,8 @@ export default function solve(input: string) {
   let sum = 0;
   let enabled = true;
   const regExp =
+    // todo: remove lint-ignore once https://github.com/denoland/deno_lint/issues/1372 is fixed
+    // deno-lint-ignore no-invalid-regexp
     /(?<op>do)\(\)|(?<op>don't)\(\)|(?<op>mul)\((?<a>\d+),(?<b>\d+)\)/g;
   for (const { groups } of input.matchAll(regExp)) {
     const { op, a, b } = groups!;

lib/combinations.ts

@@ -2,10 +2,6 @@ function setBit(bits: bigint, index: number) {
   return bits | (1n << BigInt(index));
 }
 
-function clearBit(bits: bigint, index: number) {
-  return bits & ~(1n << BigInt(index));
-}
-
 function setBits(bits: bigint, fromIndex: number, toIndex: number) {
   return bits |
     (((1n << BigInt(toIndex)) - 1n) & ~((1n << BigInt(fromIndex)) - 1n));