alecchendev

// don't forget to import!
use solana_program::{
	account_info::{AccountInfo, next_account_info}
};
// code inside of `process_instruction`
let accounts_iter = &mut accounts.iter(); // accounts here refers to the argument denoting the array of `AccountInfo`s
let account_one = next_account_info(accounts_iter)?;
let account_two = next_account_info(accounts_iter)?;
let account_three = next_account_info(accounts_iter)?;
...

alecchendev

Solana Installation Guide for M1 Without Rosetta (v1.8.2)

Figured out how to install solana on M1 without Rosetta and I haven't found a totally complete guide elsewhere so here you go:

NOTE: Haven't done exhaustive development testing but most fundamental stuff seems to work - test validator, airdrop, transactions, deployment

Install rust.

curl --proto '=https' --tlsv1.2 [https://sh.rustup.rs](https://sh.rustup.rs/) -sSf | sh

alecchendev

class Solution:
    def invertTree(self, root: TreeNode) -> TreeNode:
        if not root:
            return None
        left = root.left
        right = root.right
        root.left = self.invertTree(right)
        root.right = self.invertTree(left)
        return root

alecchendev

trait AABB {
    fn min(&self) -> Vec3;
  
    fn max(&self) -> Vec3;

    fn collision(&self, other: &impl AABB, vel: &Vec3) -> Vec3 {
        // default implementation
    }
}

alecchendev

impl Animal {
    fn speak(&self) {
        match self {
            Animal::Dog(_) => println!("Woof!"),
            Animal::Cat(_) => println!("Meow!"),
            Animal::Pig(_) => println!("Oink!"),
        }
    }
}

alecchendev

enum Animal {
    Dog,
    Cat = 0,
    Pig { cooked: bool },
    Cow(String),
    Goat(Goat),
}
struct Goat {
    age: u32,
}

alecchendev

enum Animal {
    Dog(String),
    Cat(String),
    Pig(bool),
}

fn main() {
    let example_animal = Animal::Pig(true);
    match example_animal {
        Animal::Dog(name) => println!("It's a dog named {}!", name),

alecchendev

struct Dog {
    name: String,
}

impl Dog {
    fn speak(&self) {
        println!("Woof. My name is {}.", self.name);
    }
}