[Issue 21420] New: Nullable.get default parameter is not lazy

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21420

          Issue ID: 21420
           Summary: Nullable.get default parameter is not lazy
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: default_357-line at yahoo.de

Nullable.get default parameter should obviously be lazy. Every other default
value in
the language is lazy. Unfortunately, Nullable's is not. This leads to
unnecessary evaluations
of values that are never used.

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