var io.Discard
19 uses
io (current package)
io.go#L639: var Discard Writer = discard{}
io/ioutil
ioutil.go#L98: var Discard io.Writer = io.Discard
go.uber.org/zap
logger.go#L88: errorOutput: zapcore.AddSync(io.Discard),
writer.go#L95: return zapcore.AddSync(io.Discard)
golang.org/x/tools/go/packages
packages.go#L1510: var _ interface{} = io.Discard // assert build toolchain is go1.16 or later
google.golang.org/grpc
rpc_util.go#L79: w, err := gzip.NewWriterLevel(io.Discard, level)
google.golang.org/grpc/grpclog
loggerv2.go#L142: errorW := io.Discard
loggerv2.go#L143: warningW := io.Discard
loggerv2.go#L144: infoW := io.Discard
log
log.go#L84: l.isDiscard.Store(w == io.Discard)
mime/multipart
multipart.go#L326: io.Copy(io.Discard, p)
net/http
client.go#L710: io.CopyN(io.Discard, resp.Body, maxBodySlurpSize)
server.go#L1462: _, err := io.CopyN(io.Discard, w.reqBody, maxPostHandlerReadBytes+1)
server.go#L3944: io.Copy(io.Discard, mb)
transfer.go#L377: nextra, err = t.doBodyCopy(io.Discard, body)
transfer.go#L995: n, err = io.CopyN(io.Discard, bodyLocked{b}, maxPostHandlerReadBytes)
transfer.go#L1006: _, err = io.Copy(io.Discard, bodyLocked{b})
net/http/httputil
dump.go#L135: io.Copy(io.Discard, req.Body)
testing
fuzz.go#L572: root.w = io.Discard