Go language type Conversion

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excerpt from Happy programming »golang Type Conversions

Golang is a strongly typed language, which is used in basic types during application. Here's a look at the common type conversions, which are constantly updated.

Shaping A string

Fmt. Println (StrConv. Itoa (100))

The source code for this method is:

Itoa is shorthand for formatint (I, 10).
Func Itoa (i int) string {
Return Formatint (Int64 (i), 10)
}

can be seen to be Formatint simple implementation of the method.

String to reshape

I, _: = StrConv. Atoi ("100")
Fmt. Println (i)

- bit shaping to string

var i int64
i = 0x100
Fmt. Println (StrConv. Formatint (i, 10))

Formatint The second parameter represents a binary, Ten represents a decimal.

byte Turn + bit Shaping

B: = []byte{0x00, 0x00, 0x03, 0xe8}
Bytesbuffer: = bytes. Newbuffer (b)

var x int32
Binary. Read (Bytesbuffer, Binary. Bigendian, &x)
Fmt. PRINTLN (x)

which binary. The Bigendian represents the byte order, and the corresponding little endian. Popular parlance is called big-endian, small end.

+ bit Shaping bytes

var x int32
x = 106
Bytesbuffer: = bytes. Newbuffer ([]byte{})
Binary. Write (Bytesbuffer, Binary. Bigendian, X)
Fmt. Println (Bytesbuffer.bytes ())

byte-to-string

Fmt. Println (String ([]byte{97, 98, 99, 100})

String to Byte

Fmt. Println ([]byte ("ABCD"))