A simple buffer that is optionally backed by a concrete file on disk when it grows too large.
import (
"github.com/cardamaro/mem_constrained_buffer"
"strings"
)
func main() {
r := strings.NewReader("foobar")
buf := mem_constrained_buffer.NewDefaultMemoryConstrainedBuffer()
defer buf.Close() // removes any temp files
if _, err := buf.ReadFrom(r); err != nil {
panic(err)
}
fmt.Printf("Read %d bytes", buf.Len())
}