Dart – Remove Element from Set
To remove a specific element from a Set in Dart, call remove()
method on this Set, and pass the element as argument to the method. If the element is removed, then the method returns true
, else it returns false
.
remove()
method can remove the element from the Set, only if the element is present.
Syntax
The syntax to remove an element e
from the Set mySet
is
mySet.remove(e);
remove()
method modifies the original Set.
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Examples
In the following program, we take a Set of strings mySet
, and remove the element 'banana'
from the Set.
main.dart
void main() { Set mySet = {'apple', 'banana', 'cherry'}; print('Original Set : $mySet'); mySet.remove('banana'); print('Resulting Set : $mySet'); }
Output
Original Set : {apple, banana, cherry} Resulting Set : {apple, cherry}
Conclusion
In this Dart Tutorial, we learned how to remove a given element from a Set in Dart language, with examples.