Tagged in

Programming Languages

golangspec

A series dedicated to deeply understand Go’s specification and language’s nuances

More information

Followers

6.7K

Elsewhere

More, on Medium

Programming Languages

Michał Łowicki in golangspec

Mar 19, 2020

Untyped constants in Go

Let’s start with quiz comparing two programs which differ only by single statement. Program C uses constant declaration (source code):

type N int

func main() {
    const c = 1
    var n N = c
    fmt.Println(n)
}

Michał Łowicki in golangspec

Mar 10, 2020

Pointer receiver methods and iteration variables

One more gotcha with re-using range clause variables.

Michał Łowicki in golangspec

Feb 26, 2020

Equality in Golang

Tale of comparison operators and {DeepEqual,Equal,EqualFold} methods

3 responses

Michał Łowicki in golangspec

Feb 2, 2020

Defer statement in Golang (part I)

Deferred function is declared inside another function and is called when surrounding function exits…

Michał Łowicki in golangspec

Jan 14, 2020

“for” statement and its all faces in Golang

In contrast to many other languages, Go doesn’t have multiple constructs for…

1 response

Michał Łowicki in golangspec

Jul 6, 2018

range clause and the address of iteration variable

(source code)

package main

import (
    "fmt"
)

type T struct {
    id int
}

func main() {
    t1 := T{id: 1}
    t2 := T{id: 2}
    ts1 :=…

Michał Łowicki in golangspec

Mar 12, 2018

Synchronization queues in Golang

how to use channels to write idiomatic code in Go

2 responses

Michał Łowicki in golangspec

Feb 19, 2018

Tags in Golang

Declaration of struct fields can be enriched by string literal placed afterwards — tag. Tags add meta information used either by…

1 response

Michał Łowicki in golangspec

Jan 15, 2018

Import declarations in Go

Programs in Go are made up of packages. Usually package depends on other packages either those built-in into the…

5 responses

Michał Łowicki in golangspec

Jul 31, 2017

Making debugger in Golang (part III)

So far we’ve learned how to single-step ptraced process (tracee) and get some debugging info…