Simple streaming multipart builder for Go (Golang).
go get -u github.com/mxmCherry/multipartbuilderimport"github.com/mxmCherry/multipartbuilder"builder:=multipartbuilder.New()
builder.AddField("field", "value")
// or use chaining:builder.
AddReader("reader", strings.NewReader("Some reader")).
AddFile("file", "path/to/file.bin")
// finalize builder (it should not be used anymore after this);// any errors will be returned on bodyReader usage (Read/Close):contentType, bodyReader:=builder.Build()
// for proper cleanup, returned bodyReader should be used at least once,// so at least close it (multiple closes are fine):deferbodyReader.Close()
// finally, use built reader:resp, err:=http.Post("https://test.com/", contentType, bodyReader)
iferr!=nil {
// handle error
}