initHEADmaster

7 files changed, 265 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8ea0ee8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/target
+result*
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..20485d1
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "cards"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..e830417
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "cards"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..3caa6a1
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,127 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1776497206,
+        "narHash": "sha256-Em+RSdFnwyyKPGUBFtQYtVjm+1UvIc9gOR91Y22zlzg=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "df2295365fb081fe0745449762a771290782c22d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "fenix_2": {
+      "inputs": {
+        "nixpkgs": [
+          "naersk",
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src_2"
+      },
+      "locked": {
+        "lastModified": 1752475459,
+        "narHash": "sha256-z6QEu4ZFuHiqdOPbYss4/Q8B0BFhacR8ts6jO/F/aOU=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "bf0d6f70f4c9a9cf8845f992105652173f4b617f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "naersk": {
+      "inputs": {
+        "fenix": "fenix_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1776200608,
+        "narHash": "sha256-broZ6RFQr4Fv0wT73gGmzNX14A43TmTFF8g4wDKlNss=",
+        "owner": "nix-community",
+        "repo": "naersk",
+        "rev": "8b23250ab45c2a38cd91031aee26478ca4d0a28e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "naersk",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1776329215,
+        "narHash": "sha256-a8BYi3mzoJ/AcJP8UldOx8emoPRLeWqALZWu4ZvjPXw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b86751bc4085f48661017fa226dee99fab6c651b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "naersk": "naersk",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1776441750,
+        "narHash": "sha256-1rVfG+mj8R4ze+lSYCa4iAv7FzrB03Cprtxmd1MfZak=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "251df518d73abb5c5d573c4d5d266a3edae9ca5a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "rust-analyzer-src_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1752428706,
+        "narHash": "sha256-EJcdxw3aXfP8Ex1Nm3s0awyH9egQvB2Gu+QEnJn2Sfg=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "591e3b7624be97e4443ea7b5542c191311aa141d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..f84b821
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,36 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    fenix = {
+      inputs.nixpkgs.follows = "nixpkgs";
+      url = "github:nix-community/fenix";
+    };
+    naersk = {
+      inputs.nixpkgs.follows = "nixpkgs";
+      url = "github:nix-community/naersk";
+    };
+  };
+  outputs = {
+    nixpkgs,
+    naersk,
+    fenix,
+    ...
+  }: let
+    pkgs = nixpkgs.legacyPackages.x86_64-linux;
+    toolchain = fenix.packages.x86_64-linux.minimal.toolchain;
+  in {
+    devShell.x86_64-linux.default = pkgs.mkShell {
+      buildInputs = [toolchain];
+      shellHook = ''
+        export RUSTUP_TOOLCHAIN=${toolchain}
+      '';
+    };
+    packages.x86_64-linux.default =
+      (naersk.lib.x86_64-linux.override {
+        cargo = toolchain;
+        rustc = toolchain;
+      }).buildPackage {
+        src = ./.;
+      };
+  };
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..e8f7511
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,72 @@
+#![feature(random)]
+use std::random::random;
+
+#[derive(Debug, Clone)]
+pub enum Suit {
+    Spades,
+    Hearts,
+    Clubs,
+    Diamonds,
+}
+
+#[derive(Debug, Clone)]
+pub enum Value {
+    Ace,
+    Two,
+    Three,
+    Four,
+    Five,
+    Six,
+    Seven,
+    Eight,
+    Nine,
+    Ten,
+    Jack,
+    Queen,
+    King,
+}
+
+#[derive(Debug, Clone)]
+pub struct Card {
+    pub suit: Suit,
+    pub value: Value,
+}
+
+impl Card {
+    pub fn new(suit: Suit, value: Value) -> Self {
+        Card {
+            suit: suit,
+            value: value,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct Stack(Vec<Card>);
+
+impl Stack {
+    pub fn new(cards: Vec<Card>) -> Self {
+        Stack(cards)
+    }
+    pub fn shuffle(&mut self) {
+        let n: usize = self.0.len();
+        if n == 0 {
+            return;
+        }
+        for i in 0..(n - 1) {
+            let j = random::<usize>(..) % (n - i) + i;
+            self.0.swap(i, j);
+        }
+    }
+    pub fn shuffle_in(&mut self, stack: &mut Stack) {
+        stack.take_cards(&mut self.0);
+        self.shuffle();
+    }
+    pub fn draw(&mut self) -> Option<Card> {
+        self.0.iter().next().cloned();
+    }
+    fn take_cards(&mut self, cards: &mut Vec<Card>) {
+        cards.append(&mut self.0.clone());
+        self.0.clear();
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..36018c4
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,15 @@
+use cards::{Card, Stack, Suit, Value};
+
+fn main() {
+    let card = Card::new(Suit::Spades, Value::Ace);
+    let card0 = Card::new(Suit::Hearts, Value::Ace);
+    let card1 = Card::new(Suit::Clubs, Value::Ace);
+    let card2 = Card::new(Suit::Diamonds, Value::Ace);
+    let mut stack = Stack::new(vec![card, card0, card1, card2]);
+    stack.shuffle();
+    loop {
+        if let Ok(c) = stack.next() {
+            println!("{:?}", c);
+        }
+    }
+}