Re: Function Template for Dynamic Parameter

[Timoses via Digitalmars-d-learn]

On Sunday, 1 July 2018 at 11:58:30 UTC, vino.B wrote:

On Sunday, 1 July 2018 at 11:52:19 UTC, Alex wrote:

NewType.d(19): Error: function declaration without return type. (Note that constructors are always named this)

[...]

auto coCleanFiles(T ...)(T args) {

auto dFiles = Array!(Tuple!(string, SysTime))(dirEntries(FFs, SpanMode.shallow).filter!(a => a.isFile).map!(a => tuple(a.name, a.timeLastModified)));

        return dFiles;
}

void ptManagecoRoutine(T)(T function(T ...)(T args), Array!string Dirlst) {

    alias scRType = typeof(coRoutine(args.init));
    auto PFresult = taskPool.workerLocalStorage!scRType;
    ReturnType!coRoutine rData;

foreach (string FFs; Dirlst[]) { PFresult.get ~= coRoutine(FFs.strip); }

    foreach(i; PFresult.toRange) { rData ~= i[][]; }

if (!rData[].empty) { rData[].sort!((a,b) => a[1] < b[1]).each!(e => writefln!"%-83s %.20s"(e[0], e[1].to!string)); }

}
 void main () {
 Array!string CleanDirlst;
 CleanDirlst.insertBack("C:\\Temp\\BACKUP1");
 ptManagecoRoutine(&coCleanFiles, CleanDirlst);
 }

auto coCleanFiles(T ...)(T args)
{ ... }

void ptManagecoRoutine(T)(T fun, Array!string DirList)
{
    foreach (dir; DirList)
        fun(dir);
}

or

 void ptManagecoRoutine2(alias func)(Array!string DirList)
       if (is (typeof(func!(typeof(DirList[0]))) == function))
 {
     alias t = typeof(DirList[0]);
     ptManagecoRoutine(&func!t, DirList);
 }

callable via

Array!string CleanDirlst;
ptManagecoRoutine(&coCleanFiles!string, CleanDirlst);
ptManagecoRoutine2!coCleanFiles(CleanDirlst);