[Issue 18657] std.range and std.algorithm can't handle refRange

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18657

--- Comment #1 from ag0aep6g <ag0aep6g at gmail.com> ---
PR to fix the first three examples without touching RefRange:
https://github.com/dlang/phobos/pull/6346

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