class_docstr: A pure Python implementation of OutputStream.
class_docstr_tok: ["A","pure","Python","implementation","of","OutputStream","."]
code: def write_int64(self, v: int):
      self.write(struct.pack(">q", v))
  
imports: import struct
label_desc: Use image node_id 7 for calling the OutputStream obj's underlying member method code with example usage: obj.write_int64(v) without return types