fix Issue 12332 - std.json API broken without notice
Document that parseUUID consumes its input range

fixes #12148
Merge pull request #1990 from jpf91/uuidDoc

[DOCS] Document that parseUUID consumes its input range
Merge pull request #1988 from CyberShadow/fix12332

fix Issue 12332 - std.json API broken without notice
Mark std.stdio.File.this, eof and other methods as @safe or @trusted
Merge pull request #1993 from tom-tan/trusted-std-file-File-methods

Mark std.stdio.File.this, eof and other methods as @safe or @trusted
Make adjoin's example a DDoc'ed unittest
Make adjoin take by auto-ref
Fix issue 12183 : Avoid using floating point in std.algorithm.sort.

- Prevent valgrind from aborting (some x87 FP operation are not supported).
- Can be slower on machines that have a soft floating point ABI.
Merge pull request #1994 from monarchdodra/adjoinDoc

Maintenance in adjoin
Merge pull request #1946 from Geod24/make-valgrind-happy

Fix issue 12183 : Remove use of floating point in std.algorithm.quickSortImpl
Make std.stdio.File.error and flush @trusted
Mark std.exception.ErrnoException.this as @trusted
Add missing imports
Merge pull request #1999 from monarchdodra/rangeImport

Missing imports in range
Merge pull request #1998 from tom-tan/trusted-exception-ErrnoException-this

Mark std.exception.ErrnoException.this as @trusted
Tweak map's save

Not only does it avoid opAssign issues, but the final code is simpler anyways.
Remove unnecessary enforce
Add test-cases for Issue 12349
Merge pull request #1997 from tom-tan/trusted-std-stdio-File-error-flush

std.File.flush and error causes segfault after calling close