[Issue 21494] New: std.stdio.readf second example does not compile

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21494

          Issue ID: 21494
           Summary: std.stdio.readf second example does not compile
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: trivial
          Priority: P1
         Component: dlang.org
          Assignee: nobody at puremagic.com
          Reporter: paultjeadriaanse at gmail.com

Second example found at https://dlang.org/library/std/stdio/file.readf.html
does not compile.

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