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Unsafe — Go typing lesson

Bypassing type safety.

What you'll practice

The `unsafe` package allows you to bypass Go's type safety.

Here be dragons! Use only when absolutely necessary.

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💻Go

Unsafe

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package main↵
import (↵
    "fmt"↵
    "unsafe"↵
)↵
func main() {↵
    i := 10↵
    p := &i↵
    var fp *float64 = (*float64)(unsafe.Pointer(p))↵
    ↵
    fmt.Println(*fp)↵
}

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package main
import (
    "fmt"
    "unsafe"
)
func main() {
    i := 10
    p := &i
    var fp *float64 = (*float64)(unsafe.Pointer(p))
    
    fmt.Println(*fp)
}

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