https://issues.dlang.org/show_bug.cgi?id=12840

          Issue ID: 12840
           Summary: @nogc std.range.iota(x, y, step)
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: Phobos
          Assignee: nobody@puremagic.com
          Reporter: bearophile_hugs@eml.cc

void main() @nogc {
    import std.range: iota;
    iota(1, 10, 2);
}


test.d(3,9): Error: @nogc function 'D main' cannot call non-@nogc function
'std.range.iota!(int, int, int).iota'

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