letNumOrNull function
Implementation
num? letNumOrNull(dynamic input) {
if (input is num) return input;
if (input is String) {
final trimmed = input.trim();
return num.tryParse(trimmed);
}
return null;
}
num? letNumOrNull(dynamic input) {
if (input is num) return input;
if (input is String) {
final trimmed = input.trim();
return num.tryParse(trimmed);
}
return null;
}