isNullOrEmpty property
bool
get
isNullOrEmpty
Returns true
if this nullable map is either null
or empty.
Example:
Map<String, int>? map1 = null;
print(map1.isNullOrEmpty); // true
Map<String, int>? map2 = {};
print(map2.isNullOrEmpty); // true
Map<String, int>? map3 = {"a": 1};
print(map3.isNullOrEmpty); // false
Implementation
bool get isNullOrEmpty => this == null || this!.keys.isNullOrEmpty;