nikolaydubina

// Go Playground: https://go.dev/play/p/DMiZPwRUGWD
// time: O(N)
// space: O(1)
// why: Just For Fun! 🤪
package main

import "fmt"

type Node struct {
	V    string

nikolaydubina

// 🎄🎄🎄🎄🎄🎄🎄🦌🦌🦌🦌🦌🦌🦌🦌🦌🎅🏻🎁🎁🎁🎄🎄🎄🎄
// time: O(N)
// space: O(1)
// Go Playground: https://go.dev/play/p/1g8m82vmuuu
// why: Merry Christmas!
package main

import "fmt"

type Node struct {

nikolaydubina

// https://go.dev/play/p/RKU8IstAlhf
// Does close() signals select? Yes
// Is channel picked randomly? Yes
// If there is long buffered channel with many entries will cancel() / other channel be triggered? Yes
package main

import (
	"fmt"
	"time"
)

nikolaydubina

// I am applying function on two things and they tell me how 🐁
// https://go.dev/play/p/8iGGh8Tebgw
package main

import "fmt"

type Summer interface {
	Sum(other Summer) Summer
}

nikolaydubina

// format string slice strings with whitespace can collide 🤪
// https://go.dev/play/p/EqnE9ZWHcjh
package main

import "fmt"

func main() {
	fmt.Printf("%v\n", []string{"a b", "c"})
	fmt.Printf("%v\n", []string{"a", "b", "c"})

nikolaydubina

// https://go.dev/play/p/oyMTzj-WQRq
package main

import "fmt"

func main() {
	x := "‌"
	if x != "" {
		panic("no.way.")
	}

nikolaydubina

package main

import (
	"errors"
	"fmt"
	"unsafe"
)

type Currency uint8

nikolaydubina

// https://go.dev/play/p/mcWx20GtkaO
// 🌊
package main

import "fmt"

type SGD int64

func (as SGD) Add(bs SGD) SGD { return as + bs }

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;