function bytes.containsimport { bytes } from "https://dotland.deno.dev/x/aleph@v0.2.28/std.ts"; const { contains } = bytes; contains(source: Uint8Array, pat: Uint8Array): booleanCheck source array contains pattern array. Parameterssource: Uint8Arraysource array pat: Uint8Arraypatter array Returnsboolean