64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
package hashmap
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import "fmt"
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type HashMap struct {
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hm map[interface{}]interface{}
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}
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// New instantiates a hash map.
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func New() *HashMap {
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return &HashMap{hm: make(map[interface{}]interface{})}
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}
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// Put inserts element into the map.
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func (hm *HashMap) Put(key interface{}, value interface{}) {
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hm.hm[key] = value
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}
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func (hm *HashMap) Get(key interface{}) (value interface{}, isfound bool) {
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value, isfound = hm.hm[key]
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return
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}
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func (hm *HashMap) Remove(key interface{}) {
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delete(hm.hm, key)
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}
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func (hm *HashMap) Empty() bool {
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return len(hm.hm) == 0
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}
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func (hm *HashMap) Size() int {
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return len(hm.hm)
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}
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func (hm *HashMap) Keys() []interface{} {
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keys := make([]interface{}, len(hm.hm))
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count := 0
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for key := range hm.hm {
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keys[count] = key
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count++
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}
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return keys
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}
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func (hm *HashMap) Values() []interface{} {
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values := make([]interface{}, len(hm.hm))
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count := 0
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for _, value := range hm.hm {
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values[count] = value
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count++
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}
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return values
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}
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func (hm *HashMap) Clear() {
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hm.hm = make(map[interface{}]interface{})
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}
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func (hm *HashMap) String() string {
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content := fmt.Sprintf("%v", hm.hm)
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return content
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}
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