code: def vector_init(self, values):
      vals = ", ".join(map(lambda x: f"$({x})", values))
      return f"@({vals})"
  
file_path: m2cgen/m2cgen/interpreters/powershell/code_generator.py
imports: from contextlib import contextmanager
  from m2cgen.ast import CompOpType
  from m2cgen.interpreters.code_generator import CLikeCodeGenerator, CodeTemplate
label_desc: Use image node_id 7 for calling the PowershellCodeGenerator obj's underlying member method code with example usage: obj.vector_init(values) and returns: str, vals, str