github.com/gogf/gf/v2@v2.7.4/container/gmap/gmap_z_example_str_int_test.go (about)

     1  // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with gm file,
     5  // You can obtain one at https://github.com/gogf/gf.
     6  
     7  package gmap_test
     8  
     9  import (
    10  	"fmt"
    11  
    12  	"github.com/gogf/gf/v2/container/gmap"
    13  	"github.com/gogf/gf/v2/frame/g"
    14  	"github.com/gogf/gf/v2/internal/json"
    15  	"github.com/gogf/gf/v2/util/gconv"
    16  )
    17  
    18  func ExampleStrIntMap_Iterator() {
    19  	m := gmap.NewStrIntMap()
    20  	for i := 0; i < 10; i++ {
    21  		m.Set(gconv.String(i), i*2)
    22  	}
    23  
    24  	var totalValue int
    25  	m.Iterator(func(k string, v int) bool {
    26  		totalValue += v
    27  
    28  		return totalValue < 50
    29  	})
    30  
    31  	fmt.Println("totalValue:", totalValue)
    32  
    33  	// May Output:
    34  	// totalValue: 52
    35  }
    36  
    37  func ExampleStrIntMap_Clone() {
    38  	m := gmap.NewStrIntMap()
    39  
    40  	m.Set("key1", 1)
    41  	fmt.Println(m)
    42  
    43  	n := m.Clone()
    44  	fmt.Println(n)
    45  
    46  	// Output:
    47  	// {"key1":1}
    48  	// {"key1":1}
    49  }
    50  
    51  func ExampleStrIntMap_Map() {
    52  	// non concurrent-safety, a pointer to the underlying data
    53  	m1 := gmap.NewStrIntMap()
    54  	m1.Set("key1", 1)
    55  	fmt.Println("m1:", m1)
    56  
    57  	n1 := m1.Map()
    58  	fmt.Println("before n1:", n1)
    59  	m1.Set("key1", 2)
    60  	fmt.Println("after n1:", n1)
    61  
    62  	// concurrent-safety, copy of underlying data
    63  	m2 := gmap.NewStrIntMap(true)
    64  	m2.Set("key1", 1)
    65  	fmt.Println("m2:", m2)
    66  
    67  	n2 := m2.Map()
    68  	fmt.Println("before n2:", n2)
    69  	m2.Set("key1", 2)
    70  	fmt.Println("after n2:", n2)
    71  
    72  	// Output:
    73  	// m1: {"key1":1}
    74  	// before n1: map[key1:1]
    75  	// after n1: map[key1:2]
    76  	// m2: {"key1":1}
    77  	// before n2: map[key1:1]
    78  	// after n2: map[key1:1]
    79  }
    80  
    81  func ExampleStrIntMap_MapCopy() {
    82  	m := gmap.NewStrIntMap()
    83  
    84  	m.Set("key1", 1)
    85  	m.Set("key2", 2)
    86  	fmt.Println(m)
    87  
    88  	n := m.MapCopy()
    89  	fmt.Println(n)
    90  
    91  	// Output:
    92  	// {"key1":1,"key2":2}
    93  	// map[key1:1 key2:2]
    94  }
    95  
    96  func ExampleStrIntMap_MapStrAny() {
    97  	m := gmap.NewStrIntMap()
    98  	m.Set("key1", 1)
    99  	m.Set("key2", 2)
   100  
   101  	n := m.MapStrAny()
   102  	fmt.Printf("%#v", n)
   103  
   104  	// Output:
   105  	// map[string]interface {}{"key1":1, "key2":2}
   106  }
   107  
   108  func ExampleStrIntMap_FilterEmpty() {
   109  	m := gmap.NewStrIntMapFrom(g.MapStrInt{
   110  		"k1": 0,
   111  		"k2": 1,
   112  	})
   113  	m.FilterEmpty()
   114  	fmt.Println(m.Map())
   115  
   116  	// Output:
   117  	// map[k2:1]
   118  }
   119  
   120  func ExampleStrIntMap_Set() {
   121  	m := gmap.NewStrIntMap()
   122  
   123  	m.Set("key1", 1)
   124  	fmt.Println(m)
   125  
   126  	// Output:
   127  	// {"key1":1}
   128  }
   129  
   130  func ExampleStrIntMap_Sets() {
   131  	m := gmap.NewStrIntMap()
   132  
   133  	addMap := make(map[string]int)
   134  	addMap["key1"] = 1
   135  	addMap["key2"] = 2
   136  	addMap["key3"] = 3
   137  
   138  	m.Sets(addMap)
   139  	fmt.Println(m)
   140  
   141  	// Output:
   142  	// {"key1":1,"key2":2,"key3":3}
   143  }
   144  
   145  func ExampleStrIntMap_Search() {
   146  	m := gmap.NewStrIntMap()
   147  
   148  	m.Set("key1", 1)
   149  
   150  	value, found := m.Search("key1")
   151  	if found {
   152  		fmt.Println("find key1 value:", value)
   153  	}
   154  
   155  	value, found = m.Search("key2")
   156  	if !found {
   157  		fmt.Println("key2 not find")
   158  	}
   159  
   160  	// Output:
   161  	// find key1 value: 1
   162  	// key2 not find
   163  }
   164  
   165  func ExampleStrIntMap_Get() {
   166  	m := gmap.NewStrIntMap()
   167  
   168  	m.Set("key1", 1)
   169  
   170  	fmt.Println("key1 value:", m.Get("key1"))
   171  	fmt.Println("key2 value:", m.Get("key2"))
   172  
   173  	// Output:
   174  	// key1 value: 1
   175  	// key2 value: 0
   176  }
   177  
   178  func ExampleStrIntMap_Pop() {
   179  	var m gmap.StrIntMap
   180  	m.Sets(g.MapStrInt{
   181  		"k1": 1,
   182  		"k2": 2,
   183  		"k3": 3,
   184  		"k4": 4,
   185  	})
   186  
   187  	fmt.Println(m.Pop())
   188  
   189  	// May Output:
   190  	// k1 1
   191  }
   192  
   193  func ExampleStrIntMap_Pops() {
   194  	var m gmap.StrIntMap
   195  	m.Sets(g.MapStrInt{
   196  		"k1": 1,
   197  		"k2": 2,
   198  		"k3": 3,
   199  		"k4": 4,
   200  	})
   201  	fmt.Println(m.Pops(-1))
   202  	fmt.Println("size:", m.Size())
   203  
   204  	m.Sets(g.MapStrInt{
   205  		"k1": 1,
   206  		"k2": 2,
   207  		"k3": 3,
   208  		"k4": 4,
   209  	})
   210  	fmt.Println(m.Pops(2))
   211  	fmt.Println("size:", m.Size())
   212  
   213  	// May Output:
   214  	// map[k1:1 k2:2 k3:3 k4:4]
   215  	// size: 0
   216  	// map[k1:1 k2:2]
   217  	// size: 2
   218  }
   219  
   220  func ExampleStrIntMap_GetOrSet() {
   221  	m := gmap.NewStrIntMap()
   222  	m.Set("key1", 1)
   223  
   224  	fmt.Println(m.GetOrSet("key1", 0))
   225  	fmt.Println(m.GetOrSet("key2", 2))
   226  
   227  	// Output:
   228  	// 1
   229  	// 2
   230  }
   231  
   232  func ExampleStrIntMap_GetOrSetFunc() {
   233  	m := gmap.NewStrIntMap()
   234  	m.Set("key1", 1)
   235  
   236  	fmt.Println(m.GetOrSetFunc("key1", func() int {
   237  		return 0
   238  	}))
   239  	fmt.Println(m.GetOrSetFunc("key2", func() int {
   240  		return 0
   241  	}))
   242  
   243  	// Output:
   244  	// 1
   245  	// 0
   246  }
   247  
   248  func ExampleStrIntMap_GetOrSetFuncLock() {
   249  	m := gmap.NewStrIntMap()
   250  	m.Set("key1", 1)
   251  
   252  	fmt.Println(m.GetOrSetFuncLock("key1", func() int {
   253  		return 0
   254  	}))
   255  	fmt.Println(m.GetOrSetFuncLock("key2", func() int {
   256  		return 0
   257  	}))
   258  
   259  	// Output:
   260  	// 1
   261  	// 0
   262  }
   263  
   264  func ExampleStrIntMap_SetIfNotExist() {
   265  	var m gmap.StrIntMap
   266  	fmt.Println(m.SetIfNotExist("k1", 1))
   267  	fmt.Println(m.SetIfNotExist("k1", 2))
   268  	fmt.Println(m.Map())
   269  
   270  	// Output:
   271  	// true
   272  	// false
   273  	// map[k1:1]
   274  }
   275  
   276  func ExampleStrIntMap_SetIfNotExistFunc() {
   277  	var m gmap.StrIntMap
   278  	fmt.Println(m.SetIfNotExistFunc("k1", func() int {
   279  		return 1
   280  	}))
   281  	fmt.Println(m.SetIfNotExistFunc("k1", func() int {
   282  		return 2
   283  	}))
   284  	fmt.Println(m.Map())
   285  
   286  	// Output:
   287  	// true
   288  	// false
   289  	// map[k1:1]
   290  }
   291  
   292  func ExampleStrIntMap_SetIfNotExistFuncLock() {
   293  	var m gmap.StrIntMap
   294  	fmt.Println(m.SetIfNotExistFuncLock("k1", func() int {
   295  		return 1
   296  	}))
   297  	fmt.Println(m.SetIfNotExistFuncLock("k1", func() int {
   298  		return 2
   299  	}))
   300  	fmt.Println(m.Map())
   301  
   302  	// Output:
   303  	// true
   304  	// false
   305  	// map[k1:1]
   306  }
   307  
   308  func ExampleStrIntMap_Remove() {
   309  	var m gmap.StrIntMap
   310  	m.Set("k1", 1)
   311  
   312  	fmt.Println(m.Remove("k1"))
   313  	fmt.Println(m.Remove("k2"))
   314  	fmt.Println(m.Size())
   315  
   316  	// Output:
   317  	// 1
   318  	// 0
   319  	// 0
   320  }
   321  
   322  func ExampleStrIntMap_Removes() {
   323  	var m gmap.StrIntMap
   324  	m.Sets(g.MapStrInt{
   325  		"k1": 1,
   326  		"k2": 2,
   327  		"k3": 3,
   328  		"k4": 4,
   329  	})
   330  
   331  	removeList := make([]string, 2)
   332  	removeList = append(removeList, "k1")
   333  	removeList = append(removeList, "k2")
   334  
   335  	m.Removes(removeList)
   336  
   337  	fmt.Println(m.Map())
   338  
   339  	// Output:
   340  	// map[k3:3 k4:4]
   341  }
   342  
   343  func ExampleStrIntMap_Keys() {
   344  	var m gmap.StrIntMap
   345  	m.Sets(g.MapStrInt{
   346  		"k1": 1,
   347  		"k2": 2,
   348  		"k3": 3,
   349  		"k4": 4,
   350  	})
   351  	fmt.Println(m.Keys())
   352  
   353  	// May Output:
   354  	// [k1 k2 k3 k4]
   355  }
   356  
   357  func ExampleStrIntMap_Values() {
   358  	var m gmap.StrIntMap
   359  	m.Sets(g.MapStrInt{
   360  		"k1": 1,
   361  		"k2": 2,
   362  		"k3": 3,
   363  		"k4": 4,
   364  	})
   365  	fmt.Println(m.Values())
   366  
   367  	// May Output:
   368  	// [1 2 3 4]
   369  }
   370  
   371  func ExampleStrIntMap_Contains() {
   372  	var m gmap.StrIntMap
   373  	m.Sets(g.MapStrInt{
   374  		"k1": 1,
   375  		"k2": 2,
   376  		"k3": 3,
   377  		"k4": 4,
   378  	})
   379  
   380  	fmt.Println(m.Contains("k1"))
   381  	fmt.Println(m.Contains("k5"))
   382  
   383  	// Output:
   384  	// true
   385  	// false
   386  }
   387  
   388  func ExampleStrIntMap_Size() {
   389  	var m gmap.StrIntMap
   390  	m.Sets(g.MapStrInt{
   391  		"k1": 1,
   392  		"k2": 2,
   393  		"k3": 3,
   394  		"k4": 4,
   395  	})
   396  
   397  	fmt.Println(m.Size())
   398  
   399  	// Output:
   400  	// 4
   401  }
   402  
   403  func ExampleStrIntMap_IsEmpty() {
   404  	var m gmap.StrIntMap
   405  	fmt.Println(m.IsEmpty())
   406  
   407  	m.Set("k1", 1)
   408  	fmt.Println(m.IsEmpty())
   409  
   410  	// Output:
   411  	// true
   412  	// false
   413  }
   414  
   415  func ExampleStrIntMap_Clear() {
   416  	var m gmap.StrIntMap
   417  	m.Sets(g.MapStrInt{
   418  		"k1": 1,
   419  		"k2": 2,
   420  		"k3": 3,
   421  		"k4": 4,
   422  	})
   423  
   424  	m.Clear()
   425  
   426  	fmt.Println(m.Map())
   427  
   428  	// Output:
   429  	// map[]
   430  }
   431  
   432  func ExampleStrIntMap_Replace() {
   433  	var m gmap.StrIntMap
   434  	m.Sets(g.MapStrInt{
   435  		"k1": 1,
   436  	})
   437  
   438  	var n gmap.StrIntMap
   439  	n.Sets(g.MapStrInt{
   440  		"k2": 2,
   441  	})
   442  
   443  	fmt.Println(m.Map())
   444  
   445  	m.Replace(n.Map())
   446  	fmt.Println(m.Map())
   447  
   448  	n.Set("k2", 1)
   449  	fmt.Println(m.Map())
   450  
   451  	// Output:
   452  	// map[k1:1]
   453  	// map[k2:2]
   454  	// map[k2:1]
   455  }
   456  
   457  func ExampleStrIntMap_LockFunc() {
   458  	var m gmap.StrIntMap
   459  	m.Sets(g.MapStrInt{
   460  		"k1": 1,
   461  		"k2": 2,
   462  		"k3": 3,
   463  		"k4": 4,
   464  	})
   465  
   466  	m.LockFunc(func(m map[string]int) {
   467  		totalValue := 0
   468  		for _, v := range m {
   469  			totalValue += v
   470  		}
   471  		fmt.Println("totalValue:", totalValue)
   472  	})
   473  
   474  	// Output:
   475  	// totalValue: 10
   476  }
   477  
   478  func ExampleStrIntMap_RLockFunc() {
   479  	var m gmap.StrIntMap
   480  	m.Sets(g.MapStrInt{
   481  		"k1": 1,
   482  		"k2": 2,
   483  		"k3": 3,
   484  		"k4": 4,
   485  	})
   486  
   487  	m.RLockFunc(func(m map[string]int) {
   488  		totalValue := 0
   489  		for _, v := range m {
   490  			totalValue += v
   491  		}
   492  		fmt.Println("totalValue:", totalValue)
   493  	})
   494  
   495  	// Output:
   496  	// totalValue: 10
   497  }
   498  
   499  func ExampleStrIntMap_Flip() {
   500  	var m gmap.StrIntMap
   501  	m.Sets(g.MapStrInt{
   502  		"k1": 1,
   503  	})
   504  	m.Flip()
   505  	fmt.Println(m.Map())
   506  
   507  	var n gmap.StrIntMap
   508  	n.Sets(g.MapStrInt{
   509  		"11": 1,
   510  	})
   511  	n.Flip()
   512  	fmt.Println(n.Map())
   513  
   514  	// Output:
   515  	// map[1:0]
   516  	// map[1:11]
   517  }
   518  
   519  func ExampleStrIntMap_Merge() {
   520  	var m1, m2 gmap.StrIntMap
   521  	m1.Set("key1", 1)
   522  	m2.Set("key2", 2)
   523  	m1.Merge(&m2)
   524  	fmt.Println(m1.Map())
   525  
   526  	// May Output:
   527  	// map[key1:1 key2:2]
   528  }
   529  
   530  func ExampleStrIntMap_String() {
   531  	var m gmap.StrIntMap
   532  	m.Sets(g.MapStrInt{
   533  		"k1": 1,
   534  	})
   535  
   536  	fmt.Println(m.String())
   537  
   538  	var m1 *gmap.StrIntMap = nil
   539  	fmt.Println(len(m1.String()))
   540  
   541  	// Output:
   542  	// {"k1":1}
   543  	// 0
   544  }
   545  
   546  func ExampleStrIntMap_MarshalJSON() {
   547  	var m gmap.StrIntMap
   548  	m.Sets(g.MapStrInt{
   549  		"k1": 1,
   550  		"k2": 2,
   551  		"k3": 3,
   552  		"k4": 4,
   553  	})
   554  
   555  	bytes, err := json.Marshal(&m)
   556  	if err == nil {
   557  		fmt.Println(gconv.String(bytes))
   558  	}
   559  
   560  	// Output:
   561  	// {"k1":1,"k2":2,"k3":3,"k4":4}
   562  }
   563  
   564  func ExampleStrIntMap_UnmarshalJSON() {
   565  	var m gmap.StrIntMap
   566  	m.Sets(g.MapStrInt{
   567  		"k1": 1,
   568  		"k2": 2,
   569  		"k3": 3,
   570  		"k4": 4,
   571  	})
   572  
   573  	var n gmap.StrIntMap
   574  
   575  	err := json.Unmarshal(gconv.Bytes(m.String()), &n)
   576  	if err == nil {
   577  		fmt.Println(n.Map())
   578  	}
   579  
   580  	// Output:
   581  	// map[k1:1 k2:2 k3:3 k4:4]
   582  }
   583  
   584  func ExampleStrIntMap_UnmarshalValue() {
   585  	var m gmap.StrIntMap
   586  
   587  	goWeb := map[string]int{
   588  		"goframe": 1,
   589  		"gin":     2,
   590  		"echo":    3,
   591  	}
   592  
   593  	if err := gconv.Scan(goWeb, &m); err == nil {
   594  		fmt.Printf("%#v", m.Map())
   595  	}
   596  	// Output:
   597  	// map[string]int{"echo":3, "gin":2, "goframe":1}
   598  }