code: def isdigit_impl(st, tbl):
      return _string_view_isdigit(st, tbl)
  
imports: import operator
  from functools import partial
  from numba import cuda, types
  from numba.core import cgutils
  from numba.core.datamodel import default_manager
  from numba.core.typing import signature
  from numba.cuda.cudaimpl import lower, registry
  from cudf._lib.strings_udf import get_character_cases_table_ptr, get_character_flags_table_ptr, get_special_case_mapping_table_ptr
  from cudf.core.udf.masked_typing import MaskedType
  from cudf.core.udf.strings_typing import size_type, string_view, udf_string
label_desc: Use image node_id 35 for calling a global function with example usage: isdigit_impl(st, tbl) and returns: _string_view_isdigit