On Wednesday, 19 January 2022 at 13:15:35 UTC, michaelbi wrote:foreach(line; > File("input.txt").byLine.map!(a=>a.idup).array.transposed)so why there is a [] at the end of assocArray printed? thanks....because there's an empty line at the end of input.txt?
i got it, though i still don't know where the [] come from. i just add strip here: a=>a.idup.strip
