added day 9

Author: jsoverson

crates/day-9/structs/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day-9-structs"
+version = "0.0.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

crates/day-9/structs/src/main.rs

@@ -0,0 +1,54 @@
+use std::fmt::Display;
+
+fn main() {
+ let mut light = TrafficLight::new();
+ println!("{}", light);
+ println!("{:?}", light);
+ light.turn_green();
+ println!("{:?}", light);
+}
+
+impl std::fmt::Display for TrafficLight {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ write!(f, "Traffic light is {}", self.color)
+ }
+}
+
+#[derive(Debug)]
+struct TrafficLight {
+ color: TrafficLightColor,
+}
+
+impl TrafficLight {
+ pub fn new() -> Self {
+ Self {
+ color: TrafficLightColor::Red,
+ }
+ }
+
+ pub fn get_state(&self) -> &TrafficLightColor {
+ &self.color
+ }
+
+ pub fn turn_green(&mut self) {
+ self.color = TrafficLightColor::Green
+ }
+}
+
+#[derive(Debug)]
+enum TrafficLightColor {
+ Red,
+ Yellow,
+ Green,
+}
+
+impl Display for TrafficLightColor {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ let color_string = match self {
+ TrafficLightColor::Green => "green",
+ TrafficLightColor::Red => "red",
+ TrafficLightColor::Yellow => "yellow",
+ };
+ write!(f, "{}", color_string)
+ }
+}

javascript/day-9/package-lock.json

@@ -0,0 +1,5 @@
+{
+ "devDependencies": {
+ "@types/node": "^16.11.12"
+ }
+}

javascript/day-9/package.json

@@ -0,0 +1,26 @@
+class TrafficLight {
+ color: TrafficLightColor;
+
+ constructor() {
+ this.color = TrafficLightColor.Red;
+ }
+
+ getState(): TrafficLightColor {
+ return this.color;
+ }
+
+ turnGreen() {
+ this.color = TrafficLightColor.Green;
+ }
+}
+
+enum TrafficLightColor {
+ Red = "red",
+ Yellow = "yellow",
+ Green = "green",
+}
+
+const light = new TrafficLight();
+console.log(light.getState());
+light.turnGreen();
+console.log(light.getState());

javascript/day-9/src/structs.ts

@@ -0,0 +1,66 @@
+{
+ "include": ["src/**/*", "test/**/*"],
+ "exclude": ["node_modules"],
+ "compilerOptions": {
+ /* Basic Options */
+ // "incremental": true, /* Enable incremental compilation */
+ "target": "ES2020" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
+ "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
+ "lib": [
+ "es2020"
+ ] /* Specify library files to be included in the compilation. */,
+ "resolveJsonModule": true,
+ // "allowJs": true, /* Allow javascript files to be compiled. */
+ // "checkJs": true, /* Report errors in .js files. */
+ // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+ // "declaration": true, /* Generates corresponding '.d.ts' file. */
+ // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */
+ "sourceMap": true /* Generates corresponding '.map' file. */,
+ // "outFile": "./", /* Concatenate and emit output to single file. */
+ "outDir": "./dist" /* Redirect output structure to the directory. */,
+ "rootDir": "./" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
+ // "composite": true, /* Enable project compilation */
+ // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */
+ // "removeComments": true, /* Do not emit comments to output. */
+ // "noEmit": true, /* Do not emit outputs. */
+ // "importHelpers": true, /* Import emit helpers from 'tslib'. */
+ // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+ // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+ /* Strict Type-Checking Options */
+ "strict": true /* Enable all strict type-checking options. */,
+ // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */
+ // "strictNullChecks": true, /* Enable strict null checks. */
+ // "strictFunctionTypes": true, /* Enable strict checking of function types. */
+ // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
+ // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
+ // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
+ // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
+ /* Additional Checks */
+ // "noUnusedLocals": true, /* Report errors on unused locals. */
+ // "noUnusedParameters": true, /* Report errors on unused parameters. */
+ // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
+ // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
+ /* Module Resolution Options */
+ // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+ // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
+ // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+ // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */
+ // "typeRoots": [], /* List of folders to include type definitions from. */
+ "typeRoots": ["./types", "./node_modules/@types"],
+ // "types": [], /* Type declaration files to be included in compilation. */
+ // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+ "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+ // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */
+ // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
+ /* Source Map Options */
+ // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+ // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
+ // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */
+ // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+ /* Experimental Options */
+ // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
+ // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
+ /* Advanced Options */
+ "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+ }
+}