[go-nuts] concurrency safety

[Alexey Dvoretskiy]

How would you cal "thread-safety" in Go? Go doesn't have threads so the 
term "thread-safety" sounds bit off.

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[go-nuts] Bitwise operators applications

[Alexey Dvoretskiy]

Hello golang-nuts.

I'm new to Go language and have no solid experience with C/C++. 
I was a database programmer with some Python and I was able to get around 
without bitwise operators easily.
Of course, I ran into tons of issues with performance, deployment and other 
stuff. That is why I switched to Go.

The question is what are practical applications of bitwise operations in Go 
and when I should use/learn them?

Thanks
Alex

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[go-nuts] constants vs variables

[Alexey Dvoretskiy]

Hello golang-nuts,

Here are two code snippets with operations on different types. One with 
constants and another one with variables. The first one works, the second 
one doesn't. Why is it like this? Logically both code snippets shouldn't 
work:

https://play.golang.org/p/eqNJootZ3a

package main

import (
"fmt"
)

func main() {
const (
c = 6
r = 0.001
)
fmt.Println(c * r)
}

https://play.golang.org/p/z0xEAy56Tg

package main

import (
"fmt"
)

func main() {

c := 6
r := 0.001

fmt.Println(c * r)
}

Thanks
Alex

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