[Issue 13015] New: std.json.JSONValue's toString is not const

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13015

          Issue ID: 13015
           Summary: std.json.JSONValue's toString is not const
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: Phobos
          Assignee: nob...@puremagic.com
          Reporter: marki...@umich.edu

Trivial pull request inbound to fix this.

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