On Tuesday, 14 April 2015 at 14:21:41 UTC, Dennis Ritchie wrote:
writefln("[%([%(%s, %)]%|\n %)]", [a[4][4 .. $], a[5][4 .. $], a[6][4 .. $], a[7][4 .. $]]);
At least this can be done as
-----
writefln("[%([%(%s, %)]%|\n %)]", a[4..8].map !(b => b[4 .. $]));
-----
