Go language Programming-syntax

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

Go Comment

Single-line Comment/* */Multiline Comment

Go's built-in keywords

Default Select defer Go goto fallthrough Range

Package (Pack) import (Guide) return (return)

VAR (declaring global variable) type (general type declaration) struct (struct) interface (interface) func (method) map (map type)

Switch case if else for continue break

Const (defining constants)

Chan (channel, for channels between multiple servers for concurrency)

Go Basic type

BOOL: Boolean type

1 bytes, value: True,false, cannot be represented by numbers

Int/uint: Integral type

Depending on the operating platform, it may be 32 or 64bit

Int8/uint8:8 bit integral type

1 bytes, Value: -128~127

BYTE: Byte type

Int16/uint16:16 bit integral type

2 bytes, value: -32768~32767

Int32/uint32:32 bit integral type

4 bytes

int64/uint64:64 bit integral type

8 bytes

Float32/float64: Floating-point type

4/8 bytes Accurate to 7/15 decimal places

complex64/complex128: plural

8/16 bytes sufficient to hold the pointer of the 32-bit or 64-bit integer type: uintptr

Other value types: array, struct, string

Reference type: Slice, map, chan

Interface type: interface

Function Type: func