asNumber function
Implementation
num asNumber(dynamic v) {
if (v == null) return 0;
if (v is num) return v;
return num.tryParse(v.toString()) ?? double.nan;
}
num asNumber(dynamic v) {
if (v == null) return 0;
if (v is num) return v;
return num.tryParse(v.toString()) ?? double.nan;
}