code: def stmt_lambda_proc(self, inputstring, **kwargs):
          
          regexes = []
          for i in range(len(self.stmt_lambdas)):
              name = self.stmt_lambda_name(i)
              regex = compile_regex(r"\b%s\b" % (name,))
              regexes.append(regex)
          out = []
          for line in inputstring.splitlines():
              for i, regex in enumerate(regexes):
                  if regex.search(line):
                      indent, line = split_leading_indent(line)
                      out.append(indent + self.stmt_lambdas[i])
              out.append(line)
          return "\n".join(out)
docs: Add statement lambda definitions.