---
aliases:
tags: 
creation date: 2023-09-08 14:27
modification date: 星期五 8日 九月 2023 14:27:29
---
# go

## 设计哲学

- 追求简洁、优雅
- 垂直扩展：类型嵌入
- 水平扩展：接口
- 原生并发，轻量高效
  - select | chanel 程序级扩展
- 面向工程，自带电池

## 项目工程

### 目录结构

- cmd
- internal
- pkg
- test

### 命名规范

- 包 小写，单个单词
  - 包内的命名不建议含有包名

## 类型

任何类型都可以拥有方法

### 常量

无类型常量

对象 nil ， 可直接调用函数 （单例模式）

## 反射

```go
// emptyInterface is the header for an interface{} value.
type emptyInterface struct {
	typ  *rtype
	word unsafe.Pointer
}

// rtype is the common implementation of most values.
// It is embedded in other struct types.
//
// rtype must be kept in sync with ../runtime/type.go:/^type._type.
type rtype struct {
	size       uintptr
	ptrdata    uintptr // number of bytes in the type that can contain pointers
	hash       uint32  // hash of type; avoids computation in hash tables
	tflag      tflag   // extra type information flags
	align      uint8   // alignment of variable with this type
	fieldAlign uint8   // alignment of struct field with this type
	kind       uint8   // enumeration for C
	// function for comparing objects of this type
	// (ptr to object A, ptr to object B) -> ==?
	equal     func(unsafe.Pointer, unsafe.Pointer) bool
	gcdata    *byte   // garbage collection data
	str       nameOff // string form
	ptrToThis typeOff // type for pointer to this type, may be zero
}
```



# Doc

https://www.cntofu.com/book/73/ch2-cgo/ch2-09-static-shared-lib.md



# CMD

```shell
 go build -x F:\go\vulkan\cmd\main.go
```



# CGO

```shell
go env -w CGO_ENABLED=1
set CGO_CFLAGS=-IF:\Coding\GoModule\cgo
set CGO_LDFLAGS=-LF:\Coding\GoModule\cgo -I:vulkan.lib
go build -o main.exe main.go

#C:\Users\Administrator\AppData\Roaming\go
```



# 条件编译

## 标签编译

## 文件后缀

https://blog.csdn.net/wohu1104/article/details/121842932