stdTEST_NUMVAL_F function

dynamic stdTEST_NUMVAL_F(
  1. dynamic value
)

Expression function TEST_NUMVAL_F(s): 0 when stdNUMVAL_F can convert the string.

Implementation

dynamic stdTEST_NUMVAL_F(dynamic value) {
  return double.tryParse(varToStr(value).trim()) != null ? 0 : 1;
}