isBool static method

bool isBool(
  1. dynamic b
)

Dynamic check for a boolean from a String/bool

Implementation

static bool isBool(dynamic b)
{
  try
  {
    if (b == null) return false;
    if (b is bool) return true;
    b = b.toString();
    b = b.trim().toLowerCase();
    return ((b == 'false') || (b == '0') || (b == 'no') || (b == 'true') || (b == '1') || (b == 'yes'));
  }
  catch(e)
  {
    return false;
  }
}