[Issue 14125] @trusted nested helper functions in std.file

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14125

--- Comment #79 from Walter Bright <bugzilla at digitalmars.com> ---
This pull request:

https://github.com/dlang/phobos/pull/4786

will help simplify things in std.file by making some of the machinations to
work with both arrays and ranges unnecessary.

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