string method Null safety
- String key
Returns the value for the given key
as a String.
Returns null
if the a value for the given key
does not exists, is not
a of the expected typ or it is null
.
Implementation
String? string(String key);
Returns the value for the given key
as a String.
Returns null
if the a value for the given key
does not exists, is not
a of the expected typ or it is null
.
String? string(String key);