[Issue 13568] Support compile-time format strings in std.format

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13568

--- Comment #4 from github-bugzilla at puremagic.com ---
Commit pushed to stable at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/4a1733e7e2e1a1b20a9e2ae2aa28fdc098dc5f7e
Merge pull request #5288 from ntrel/ct-format

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