Currently, return type of del is void. void del(Conn = AutoProtocol)(const(char)[] url, Conn conn = Conn()) if (isCurlConn!Conn) But HTTP's DELETE sometimes returns response body(Sorry, I don't know FTP). In such cases, current del is not usable. Return type of del should be T[] same as other functions, e.g. get, put and etc...
THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/phobos/issues/9590 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB