// Copyright GoFrame Author(https://goframe.org). All Rights Reserved. // // This Source Code Form is subject to the terms of the MIT License. // If a copy of the MIT was not distributed with gm file, // You can obtain one at https://github.com/gogf/gf. package gmap_test import ( "fmt" "github.com/gogf/gf/frame/g" "github.com/gogf/gf/container/gmap" ) func ExampleNew() { m := gmap.New() // Add data. m.Set("key1", "val1") // Print size. fmt.Println(m.Size()) addMap := make(map[interface{}]interface{}) addMap["key2"] = "val2" addMap["key3"] = "val3" addMap[1] = 1 fmt.Println(m.Values()) // Batch add data. m.Sets(addMap) // Gets the value of the corresponding key. fmt.Println(m.Get("key3")) // Get the value by key, or set it with given key-value if not exist. fmt.Println(m.GetOrSet("key4", "val4")) // Set key-value if the key does not exist, then return true; or else return false. fmt.Println(m.SetIfNotExist("key3", "val3")) // Remove key m.Remove("key2") fmt.Println(m.Keys()) // Batch remove keys. m.Removes([]interface{}{"key1", 1}) fmt.Println(m.Keys()) // Contains checks whether a key exists. fmt.Println(m.Contains("key3")) // Flip exchanges key-value of the map, it will change key-value to value-key. m.Flip() fmt.Println(m.Map()) // Clear deletes all data of the map. m.Clear() fmt.Println(m.Size()) // May Output: // 1 // [val1] // val3 // val4 // false // [key4 key1 key3 1] // [key4 key3] // true // map[val3:key3 val4:key4] // 0 } func ExampleAnyAnyMap_Keys() { var m gmap.Map m.Sets(g.MapAnyAny{ "k1": "v1", "k2": "v2", "k3": "v3", "k4": "v4", }) fmt.Println(m.Keys()) fmt.Println(m.Values()) // May Output: // [k1 k2 k3 k4] // [v2 v3 v4 v1] } func ExampleAnyAnyMap_Values() { var m gmap.Map m.Sets(g.MapAnyAny{ "k1": "v1", "k2": "v2", "k3": "v3", "k4": "v4", }) fmt.Println(m.Keys()) fmt.Println(m.Values()) // May Output: // [k1 k2 k3 k4] // [v2 v3 v4 v1] } func ExampleAnyAnyMap_Flip() { var m gmap.Map m.Sets(g.MapAnyAny{ "k1": "v1", "k2": "v2", }) m.Flip() fmt.Println(m.Map()) // May Output: // map[v1:k1 v2:k2] } func ExampleAnyAnyMap_Pop() { var m gmap.Map m.Sets(g.MapAnyAny{ "k1": "v1", "k2": "v2", "k3": "v3", "k4": "v4", }) fmt.Println(m.Pop()) fmt.Println(m.Pops(2)) fmt.Println(m.Size()) // May Output: // k1 v1 // map[k2:v2 k4:v4] // 1 } func ExampleAnyAnyMap_Pops() { var m gmap.Map m.Sets(g.MapAnyAny{ "k1": "v1", "k2": "v2", "k3": "v3", "k4": "v4", }) fmt.Println(m.Pop()) fmt.Println(m.Pops(2)) fmt.Println(m.Size()) // May Output: // k1 v1 // map[k2:v2 k4:v4] // 1 } func ExampleAnyAnyMap_FilterEmpty() { m := gmap.NewFrom(g.MapAnyAny{ "k1": "", "k2": nil, "k3": 0, "k4": 1, }) m.FilterEmpty() fmt.Println(m.Map()) // May Output: // map[k4:1] } func ExampleAnyAnyMap_FilterNil() { m := gmap.NewFrom(g.MapAnyAny{ "k1": "", "k2": nil, "k3": 0, "k4": 1, }) m.FilterNil() fmt.Println(m.Map()) // May Output: // map[k1: k3:0 k4:1] } func ExampleAnyAnyMap_SetIfNotExist() { var m gmap.Map fmt.Println(m.SetIfNotExist("k1", "v1")) fmt.Println(m.SetIfNotExist("k1", "v1")) fmt.Println(m.Map()) // Output: // true // false // map[k1:v1] } func ExampleAnyAnyMap_Merge() { var m1, m2 gmap.Map m1.Set("key1", "val1") m2.Set("key2", "val2") m1.Merge(&m2) fmt.Println(m1.Map()) // May Output: // map[key1:val1 key2:val2] }