code: def Get(packer_type, buf, head):
      """Get decodes a value at buf[head] using `packer_type`."""
      return packer_type.unpack_from(memoryview_type(buf), head)[0]
  
imports: from .None import number_types
  from .None import packer
  from .compat import memoryview_type
  from .compat import import_numpy, NumpyRequiredForThisFeature
label_desc: Use image node_id 1 for calling a global function with example usage: Get(packer_type, buf, head) and returns: packer_type