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set: introduce basic set operations
introduces New, Add, Remove and Size
Signed-off-by: oppiliappan <me@oppi.li>
authored by
oppiliappan
and committed by
Tangled
71c625e2
5561a54d
+20
+20
set.go
+20
set.go
···
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package hashset
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type Set[T comparable] map[T]struct{}
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// New creates and returns a new empty Set.
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func New[T comparable]() Set[T] {
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return make(Set[T])
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}
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// Add inserts an element into the set.
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func (s Set[T]) Add(value T) {
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s[value] = struct{}{}
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}
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// Remove deletes an element from the set.
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func (s Set[T]) Remove(value T) {
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delete(s, value)
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}
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// Size returns the number of elements in the set.
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func (s Set[T]) Size() int {
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return len(s)
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}