[Issue 21495] New: File.readf documentation does not state what what is returned.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21495

          Issue ID: 21495
           Summary: File.readf documentation does not state what what is
                    returned.
           Product: D
           Version: D2
          Hardware: x86
                OS: Windows
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dlang.org
          Assignee: nobody at puremagic.com
          Reporter: paultjeadriaanse at gmail.com

The function documented at https://dlang.org/library/std/stdio/file.readf.html
does not state what its return value means.

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