function copyMapSyncimport { copyMapSync } from "https://deno.land/x/somefn@v0.30.0/deno/copy.ts"; copyMapSync(src: string,dest: string,unnamed 2: { fn: (c: string,name: string,dir: string,) => string | null; filter?: (name: string, dir: string) => boolean; },): void文本文件简易复制 Parameterssrc: stringdest: stringunnamed 2: { fn: (c: string,name: string,dir: string,) => string | null; filter?: (name: string, dir: string) => boolean; }Returnsvoid