EE
можно написать вот так
final intEge = ege != null ? int.
tryParse(ege) : null;
а можно вот так
final intEge
= map(ege
, int.
tryParse)Size: a a a
EE
final intEge = ege != null ? int.
tryParse(ege) : null;
final intEge
= map(ege
, int.
tryParse)EE
YM
ND
YM
ND
EE
final intEge = ege != null ? int.
tryParse(ege) : null;
final intHeight = height != null ? int.
tryParse(height) : null;
final intCurrentWeight =
currentWeight != null ? int.
tryParse(currentWeight) : null;
PerfectWeightFlow flow;
if (intEge != null && intHeight != null && intCurrentWeight != null) {
flow = PerfectWeightFlow(
ege: intEge,
height: intHeight,
currentWeight: intCurrentWeight,
);
}
final flow = map(
map(ege, int.
tryParse),
map(height, int.
tryParse),
map(currentWeight, int.
tryParse),
PerfectWeightFlow,
);
PerfectWeightFlow <*>
int.
tryParse <<- ege
int.
tryParse <<- height
int.
tryParse <<- currentWeight
ND
EE
EE
P
final intEge = ege != null ? int.
tryParse(ege) : null;
final intEge
= map(ege
, int.
tryParse)EE
EL
EE
null
where anull
.external static int
tryParse(String source, {int radix});
YM
EE
YM
P
YM
Ю