initial commit

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

rust/.gitignore

@@ -0,0 +1,2 @@
+/target
+*~

rust/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "eulerfunt"
+version = "0.1.0"

rust/Cargo.toml

@@ -0,0 +1,4 @@
+[package]
+name = "eulerfunt"
+version = "0.1.0"
+edition = "2021"

rust/README.org

@@ -0,0 +1,5 @@
+* Run
+Just run =cargo run --bin p<x>= where <x> is the problem number
+
+* Environment
+If you use nix just run  =nix develop= or =nix develop .#withLsp= if you want rust-analyzer.

rust/flake.lock

@@ -0,0 +1,94 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1666610816,
+        "narHash": "sha256-q4F2VNe5bpxXOvp16DyLwE1SgNZMbNO29ZQJPIomedg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "6107f97012a0c134c5848125b5aa1b149b76d2c9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "release-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1665296151,
+        "narHash": "sha256-uOB0oxqxN9K7XGF1hcnY+PQnlQJ+3bP2vCn/+Ru/bbc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "14ccaaedd95a488dd7ae142757884d8e125b3363",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay",
+        "utils": "utils"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1666752703,
+        "narHash": "sha256-8l/yUNj3eH89T5uPDOZKjYNeOTSmn8xJCRC0c/Jedl8=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "b20d7b01b37268f240d185f5a2902d5fecb48ad3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

rust/flake.nix

@@ -0,0 +1,36 @@
+{
+  description = "eulerfunt in Rust";
+
+  inputs = {
+    nixpkgs.url = github:nixos/nixpkgs/release-22.05;
+    utils.url = github:numtide/flake-utils;
+    rust-overlay.url = github:oxalica/rust-overlay;
+  };
+
+  outputs = { self, nixpkgs, utils, rust-overlay }:
+    utils.lib.eachDefaultSystem
+      (system:
+        let
+          overlays = [ rust-overlay.overlays.default ];
+
+          pkgs = import nixpkgs {
+            inherit system overlays;
+          };
+
+          toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain;
+        in
+        {
+          devShells = rec {
+            default = pkgs.mkShell {
+              buildInputs = [ toolchain ];
+            };
+            withLsp = pkgs.mkShell {
+              buildInputs = [
+                toolchain
+                pkgs.rust-analyzer
+              ];
+            };
+          };
+        }
+      );
+}

rust/gentoml

@@ -0,0 +1,26 @@
+#!/usr/bin/env sh
+
+toml=Cargo.toml
+name=eulerfunt
+
+cat > $toml <<EOF
+[package]
+name = "$name"
+version = "0.1.0"
+edition = "2021"
+EOF
+
+if ! [ -e ./src/p*.rs ]; then
+    exit 0
+fi
+
+for problem in ./src/p*.rs; do
+  file=${problem##*/}
+  bin=${file%.*}
+  cat >> $toml <<EOF
+
+[[bin]]
+name = "$bin"
+path = "$problem"
+EOF
+done

rust/rust-toolchain

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly-2022-10-26"
+components = [ "rustfmt", "clippy" ]