初次学习golang 运行时一直包一下错误
```
# runtime
D:\Go\src\runtime\map.go:64:2: bucketCntBits redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:64:18
D:\Go\src\runtime\map.go:65:2: bucketCnt redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:65:23
D:\Go\src\runtime\map.go:69:2: loadFactorNum redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:69:18
D:\Go\src\runtime\map.go:70:2: loadFactorDen redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:70:18
D:\Go\src\runtime\map.go:76:2: maxKeySize redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:76:17
D:\Go\src\runtime\map.go:77:2: maxValueSize redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:77:17
D:\Go\src\runtime\map.go:82:2: dataOffset redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:85:4
D:\Go\src\runtime\map.go:91:2: empty redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:91:19
D:\Go\src\runtime\map.go:92:2: evacuatedEmpty redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:92:19
D:\Go\src\runtime\map.go:93:2: evacuatedX redeclared in this block
previous declaration at D:\Go\src\runtime\hashmap.go:93:19
D:\Go\src\runtime\map.go:93:2: too many errors
```
以下是运行代码
```go
package main
import (
"fmt"
)
func main() {
fmt.Println("Hello World!")
}
```
版本是
go version go1.11 windows/amd64
<a href="/user/AnstOu" title="@AnstOu">@AnstOu</a> 方式一: 是不是真的如7楼说的多版本问题?卸载干净? go env 可以看到当前使用版本的信息
方式二:通过源码的方式安装试下
#8
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