remove FPTemporary usage
Deprecate last remaining module from std.c and move it to druntime
Issue 13689: byCodeUnit fails to be a random access range.

Add static assert to ensure random accessability.
Merge pull request #2637 from 9il/fptemp

remove FPTemporary usage
fix findRoot
std.complex: clean imports
std.numric: clean imports
Merge pull request #2659 from 9il/iclean2

std.complex: clean imports
Remove EArrayInit as it's no longer needed
Merge pull request #2658 from 9il/iclean1

std.numeric: clean imports
Merge pull request #2660 from MetaLang/remove-put-EArrayInit

Remove EArrayInit as it's no longer needed
Merge pull request #2639 from 9il/findroot

fix Issue 13662: @safe pure nothrow @nogc findRoot
Fix wrong unittests for std.conv.unsigned, signed
Use immutable integer to demonstrate removed qualification
Merge pull request #2662 from ntrel/signed-test

Fix wrong unittests for std.conv.unsigned, signed
Merge pull request #2652 from joakim-noah/move_winsock

Deprecate last remaining module from std.c and move it to druntime
std.format: clean imports

remove new private stuff

add local import

add local import

remove global std.con import
std.utf: clean imports
std.encoding: clean imports
Add `@nogc` attribute