...One quick suggestion: avoid direct casting from `ubyte[]` to `string`:

/+dub.sdl:
dependency "requests" version...

...pointers types become something like ubyte[1], ubyte[2], ubyte[3], etc. depending on the...

...with no basic integer types but just ubyte, and everything would be handled with operator...

...b = cast(ubyte) a;

float f = 1.203125f  * 255.0f;
auto zz =  cast(ubyte) f...

...expressions §7.

is not specified but is the normal part of the cast uint -> ubyte.

cast (ubyte)x is the same as = ((cast(uint)x) & 0xff)

...b = cast(ubyte) a;

float f = 1.203125f  * 255.0f;
auto zz =  cast(ubyte) f...

...Fix Issue 20644 - Invalid printf deprecation for ubyte passed to "%hhu"" was merged into master...

...void arsd.http2.HttpRequest.handleIncomingData(scope const(ubyte[])).parseLastHeader() [0x5abd5b]
/home/me/arsd/http2.d...

https://issues.dlang.org/show_bug.cgi?id=5725

Basile-z <b2.temp@gmx.com...