toNum static method

num? toNum(
  1. dynamic s
)

Takes a value typically a String and if its numeric parsed will output a num

Implementation

static num? toNum(dynamic s)
{
  try
  {
    if (s == null || s == '' || s == 'null')   return null;
    if (s is num)    return s;
    if (s is String) return num.parse(s);
    return toNum(s.toString());
  }
  catch(e)
  {
    return null;
  }
}