package cache

import (
	"context"
	"time"
)

type (
	LoadFunc func(ctx context.Context) ([]byte, error)
)

type Cache interface {
	Set(ctx context.Context, key string, buf []byte)
	SetEx(ctx context.Context, key string, buf []byte, expire time.Duration)
	Get(ctx context.Context, key string) (buf []byte, ok bool)
	Try(ctx context.Context, key string, cb LoadFunc) (buf []byte, err error)
	Del(ctx context.Context, key string)
}