Re: Using algorithms with ranges

[mipri via Digitalmars-d-learn]

On Thursday, 3 October 2019 at 08:52:22 UTC, Andrea Fontana wrote:
On Thursday, 3 October 2019 at 05:33:04 UTC, mipri wrote:
void main() {
    import std.range : iota;
    foreach (x; iota(1, 10).withHistory)
        writeln(x);
}


This doesn't work as expected, I think.

auto r = iota(1,10).withHistory;

writeln(r.front);
writeln(r.front);

Oops. That output should be the same, since popFront hasn't been 
called.

The code's also bad for preserving the entire history when only 
the
latest is needed for what it's doing.