initial commit before refactor switch

server/errs.go

@@ -0,0 +1,17 @@
+package server
+
+import (
+	`errors`
+)
+
+var (
+	ErrEmptyUA           error = errors.New("empty user agent string")
+	ErrIncompatFieldType error = errors.New("a field type was passed that is incompatible with the target type")
+	ErrInvalidAccept     error = errors.New("an Accept header was encountered that does not conform to RFC 9110§12.5.1/IANA format")
+	ErrInvalidScheme     error = errors.New("invalid scheme for listener; must be 'unix', 'tcp', or 'http'")
+	ErrNoArgs            error = errors.New("no args.Args passed to server creation")
+	ErrPtrNeeded         error = errors.New("structs passed to reflection must be pointers")
+	ErrStructNeeded      error = errors.New("pointers passed to reflection must point to structs")
+	ErrUnhandledField    error = errors.New("unhandled field type passed to reflection")
+	ErrUnsupportedMIME   error = errors.New("unsupported MIME type(s)")
+)