35 lines
671 B
Go
35 lines
671 B
Go
package db0101
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import "bytes"
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type KV struct {
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mem map[string][]byte
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}
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func (kv *KV) Open() error {
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kv.mem = map[string][]byte{} // empty
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return nil
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}
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func (kv *KV) Close() error { return nil }
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func (kv *KV) Get(key []byte) (val []byte, ok bool, err error) {
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val, ok = kv.mem[string(key)]
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return
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}
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func (kv *KV) Set(key []byte, val []byte) (updated bool, err error) {
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prev, exist := kv.mem[string(key)]
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kv.mem[string(key)] = val
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updated = !exist || !bytes.Equal(prev, val)
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return
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}
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func (kv *KV) Del(key []byte) (deleted bool, err error) {
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_, deleted = kv.mem[string(key)]
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delete(kv.mem, string(key))
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return
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}
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// QzBQWVJJOUhU https://trialofcode.org/
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