Home > @theatre/dataverse > IDerivation > map
# IDerivation.map() method
Signature:
map<T>(fn: (v: V) => T): IDerivation<T>;
# Parameters
| Parameter | Type | Description |
|---|---|---|
| fn | (v: V) => T |
Returns:
IDerivation<T>
Theatre.js Theatre.js Home > @theatre/dataverse > IDerivation > map
Signature:
map<T>(fn: (v: V) => T): IDerivation<T>;
| Parameter | Type | Description |
|---|---|---|
| fn | (v: V) => T |
Returns:
IDerivation<T>