copy native objects

[taowen]

simple value

• int
• int8
• int16
• int32
• int64
• uint
• uint8
• uint16
• uint32
• uint64
• float32
• float64
• string
• bool

one level

• int => *int
• *int => int
• [3]int => [3]int
• [3]int => []int
• map[string]int => map[string]int
• map[string]int => struct
• []int => [3]int
• []int => []int
• strut => map[string]int
• struct => struct

two levels

• slice + array
• slice + map
• [][]int => [][]int
• slice + struct
• array + array
• array + map
• array + slice
• array + struct
• map + array
• map + map
• map + slice
• map + struct
• struct + (array, map, slice, struct)

existing value

• int => *int
• []int => []*int
• [3]int => [3]*int
• struct (int) => struct (*int)
• map[string]int => map[string]*int
• int => *interface{} (*int)
• []int => *interface{} ([]*int)

new value

• int => *int
• [3]int => *[3]int
• struct => *struct
• []int => []int
• map[string]int => map[string]int

nil

• int => (*int)(nil)
• (*int)(nil) => int
• (**int)(nil) => int
• &(*int)(nil) => int
• (*int)(nil) => *int
• (**int)(nil) => *int
• &(*int)(nil) => *int
• []int => []int
• map[string]int => map[string]int

empty interface

• *interface{} => int
• *interface{} => []int
• int => *interface{}
• []int => *interface{}
• []interface{} => []int
• []int => []interface{}
• []interface{} => []interface{}
• map[string]interface{} => map[string]int
• map[string]int => map[string]interface{}
• map[string]interface{} => map[string]interface{}