use generics in BW transfer

[jkralik]

No description provided.

[codecov-commenter]

Codecov Report

Merging #363 (ca4e4e9) into jkralik/feature/mergeMuxResponseWriter (0901b27) will decrease coverage by 0.00%.
The diff coverage is 80.18%.

@@                            Coverage Diff                             @@
##           jkralik/feature/mergeMuxResponseWriter     #363      +/-   ##
==========================================================================
- Coverage                                   71.43%   71.42%   -0.01%     
==========================================================================
  Files                                          61       61              
  Lines                                        5258     5201      -57     
==========================================================================
- Hits                                         3756     3715      -41     
+ Misses                                       1127     1114      -13     
+ Partials                                      375      372       -3     

Impacted Files	Coverage Δ
tcp/clientconn.go	72.26% <37.50%> (+1.63%)	⬆️
tcp/session.go	73.95% <38.46%> (+3.02%)	⬆️
tcp/server.go	78.37% <50.00%> (-3.94%)	⬇️
dtls/client.go	82.79% <75.00%> (-1.21%)	⬇️
udp/server.go	80.39% <75.00%> (-2.70%)	⬇️
dtls/server.go	82.65% <80.00%> (-1.83%)	⬇️
net/responsewriter/responseWriter.go	79.31% <83.33%> (+2.38%)	⬆️
udp/client/clientconn.go	69.73% <92.30%> (-0.45%)	⬇️
net/blockwise/blockwise.go	68.40% <97.29%> (-0.28%)	⬇️
net/blockwise/senderRequestMap.go	85.45% <100.00%> (-0.52%)	⬇️
... and 10 more