In order to implement a function such as LEN... which checks the length of a string.
Please add the following check to isNumber under expressions.dart
This allows zero an empty string to be evaluated as false.
Ref: Line 334
bool isNumber(String st) {
if (st.isEmpty) {
return false;
}
.....
In order to implement a function such as LEN... which checks the length of a string.
Please add the following check to isNumber under expressions.dart
This allows zero an empty string to be evaluated as false.
Ref: Line 334