Golang Grammar Summary (16): Map

This is a creation in Article, where the information may have evolved or changed.

• Equivalent to a hash table or dictionary in another language, storing data in key-value form
  
• Key must be a type that supports the = = and! = comparison operation, cannot be a function, map, or slice
  

var m1 map[int]stringm1  =   make   ( map  [ int  "  string   fmt.Println(m1) //map[]varm2 Map[int]string = Make(Map[int]string)m2  [ 1  "    =    " OK " fmt   println   ( m2  )    Span class= "com" style= "Color:rgb (147,161,161)" >//map[1:ok]  m3  :=   make   ( map  [ int  "  string   fmt.Println(m3) //map[]M4:=Map[int]string{4:"D",1:"a",2:"B",3:"C"}fmt.Println(m4) //map[4:d 1:a 2:b 3:c]