how to access record[0] of a csv row? Error: no [] operator overload for type CsvRecord!(int, cast(Malformed)1, string, dchar)

[Paul Backus]

On Monday, 7 December 2020 at 04:03:05 UTC, mw wrote:
> So my next question: given N, how do I create a Tuple!(double, 
> double, ... n-double) type programmatically?

import std.meta: Repeat;

alias NDoubles = Tuple!(Repeat!(N, double));

Note that N must be a compile-time constant, since the number of 
elements in a Tuple is fixed at compile time.