readonly method
Returns a read-only view of this writable computed.
The returned Computed cannot be used to modify the value, but still provides reactive access to the computed value.
Returns: A read-only interface to this writable computed
Example:
final writableComputed = WritableComputed(getter, setter);
final readonlyComputed = writableComputed.readonly();
print(readonlyComputed.value); // OK
// readonlyComputed.value = 1; // Compile error
Implementation
Computed<T> readonly() {
return _ComputedWrapperImpl(this);
}