put abstract method
Add a key
, value
pair to the underlying store, overwriting any
existing values. Returns the old value if one existed.
put(utf8.encode('foo',utf8.encode('bar');
put(utf8.encode('foo',utf8.encode('baz'); // returns 'bar'
get(utf8.encode('foo'); // returns 'baz'
Implementation
Uint8List? put(Uint8List key, Uint8List value);