nikolaydubina

// https://go.dev/play/p/0bbwnZYMKSa
// go@v1.19 does not recognize two wrapped errors
// go@v1.20 recognizes two wrapped errors
package main

import (
	"errors"
	"fmt"
)

nikolaydubina

// https://google.github.io/comprehensive-rust/basic-syntax/scopes-shadowing.html
fn main() {
    let a = 10;
    println!("before: {a}");

    {
        let a = "hello";
        println!("inner scope: {a}");

        let a = true;

nikolaydubina

// locally can upload tens of GBs
package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
	"path"
)

nikolaydubina

// https://go.dev/play/p/eDtSd13eu5r
// graph walking from start to end 🦔🐾🐾🐾
package main

import "fmt"

type Graph map[int][]int

func sliceContains[T comparable](vs []T, v T) bool {
	for _, q := range vs {

nikolaydubina

// https://go.dev/play/p/_Gt8U6GFkPk
// go embedding field mechanics ⚙️
package main

import (
	"fmt"
	"unsafe"
)

type A struct {

nikolaydubina

// https://go.dev/play/p/PX6EWqZsXR4
// race condition in interface cast 😵‍💫
package main

import "fmt"

type I interface{ method() string }
type A struct{ s string }
type B struct {
	u uint32

nikolaydubina

https://go.dev/play/p/Z3myZb93aNt
// base64 with invisible chars 🤖
package main

import (
	"encoding/base64"
	"fmt"
)

func main() {

nikolaydubina

// slice of strings as CLI argument 🐹
// https://pkg.go.dev/flag#Value
package main

import (
	"flag"
	"log"
)

type arrayFlags []string

nikolaydubina

// does go unpack multiple assignment with variable returns?
// no 🙅🏻‍♂️
// https://go.dev/play/p/8wKi-2J7aL7
package main

import "fmt"

func one(v int) int { return v }

func two() (int, int) { return 2, 3 }

nikolaydubina

Convert to CSV

jq -r '[.function_name, .call_count] | @csv'