TypeScript Pro Essentials

Name: TypeScript Pro Essentials
Price: 12.75 USD
Availability: InStock
Rating: 5 (3 reviews)

11h 2m 12s

English

Paid

July 8, 2024

Ready to elevate your TypeScript skills? You may have dabbled with TypeScript, but you might feel you're missing something crucial. It’s touted as a solution to JavaScript's common issues, like clunky autocompletion, runtime errors, and scalability challenges. Yet, if you're still facing type-related roadblocks and complexity with configurations, it's time to advance your knowledge with a structured guide.

Total TypeScript Pro Essentials is your ultimate guide to mastering TypeScript. With over 200 lessons across 17 comprehensive sections, this course is designed to deepen your understanding of TypeScript, whether you’re a beginner or a seasoned user.

Course Overview

This workshop will guide you through everything from setting up your environment and advanced type manipulation to best practices for application development.

Course Breakdown

Introduction to TypeScript

Kickstart your journey by revisiting core concepts and benefits of TypeScript. Learn about initial configurations, type inference, and the TypeScript compiler. Set up your editor, with a focus on Visual Studio Code, and explore features like navigation, autocompletion, and code refactoring. Understand TypeScript's role in the build process and structure your projects efficiently.

TypeScript Fundamentals

Strengthen your foundational skills by mastering TypeScript's essential types and annotations. Engage with function parameters, return types, and model data using object literal types, arrays, and tuples. Create reusable type aliases and effectively type asynchronous code, handling data from external sources. Learn to use unions, intersections, and interfaces to create flexible types.

Objects, Classes, and Mutability

Explore the roles of types, interfaces, and classes, and how to choose the right structure for your needs. Handle dynamic data with objects and navigate index signature limitations using mapped types. Discover type helpers like Pick, Omit, and Partial, and learn to construct your own. Develop an understanding of mutability, type inference, and immutable data structures. Apply object-oriented principles to create robust systems.

Working with the Compiler

Unlock the full potential of the TypeScript compiler to derive types from values and deepen your understanding of type inference. Master type annotations and assertions to handle TypeScript requirements in complex scenarios involving DOM APIs, JSON parsing, and configuration objects.

Understanding the Environment

Learn to distinguish between TypeScript modules and scripts to prevent global scope pollution. Provide types for JavaScript files and third-party libraries through ambient declarations. Safely modify global interfaces and understand the importance of .d.ts files versus modules. Configure TypeScript behavior for different project types and optimize build performance for large-scale projects.

Advanced Application Development

Delve into the differences between CommonJS (CJS) and ES Modules (ESM) and how TypeScript manages module syntax. Make informed decisions about adopting ESM into your projects and build libraries compatible with both CJS and ESM consumers. Engage in domain modeling, create reusable generic type utilities, and enforce strict type checking. Combine generics and function overloads, and create type-safe APIs with template literal types and custom error types.

Embark on your journey to becoming a TypeScript Wizard with Total TypeScript Pro Essentials. Let this workshop be your map to success, ensuring that you can write cleaner code, catch errors early, and refactor with confidence.

Additional

https://github.com/total-typescript/pro-essentials-workshop

About the Author: Matt Pocock

Matt Pocock is the British developer who has become one of the most recognizable voices in the TypeScript community. His Total TypeScript course series — built around the "wizard" interactive challenge format — is widely cited as the deepest TypeScript-specific learning material available, particularly for the type-system features (conditional types, mapped types, template literal types) that most JavaScript-to-TypeScript migrations skip.

Matt's content reaches an audience that includes the senior engineers writing TypeScript libraries others depend on. The Total TypeScript Pro Essentials and Total TypeScript Advanced courses are standard recommendations for engineers who want to write the kind of TypeScript that catches real bugs at compile time rather than just satisfying a linter.

Watch Online 369 lessons

0:00

#1: 001 TypeScript's Relationship with JavaScript

All Course Lessons (369)

#	Lesson Title	Duration
1	001 TypeScript's Relationship with JavaScript Demo	04:25
2	002 JavaScript vs. TypeScript in the Build Process	02:55
3	003 Essential Tools for TypeScript Development	01:43
4	004 Set up Node.js and VS Code	01:33
5	005 Installing pnpm for Package Management	03:01
6	006 Installing t	01:19
7	007 Unexpected Token Error in the Browser	00:48
8	008 Browsers Can't Understand TypeScript Syntax	01:20
9	009 Convert a TypeScript File into a JavaScript File	01:06
10	010 Compile TypeScript to JavaScript with the TypeScript CLI	04:05
11	011 Automating TypeScript Compilation	00:48
12	012 Use tsc's Watch Mode to Automatically Compile TypeScript Files	01:24
13	013 Compiling TypeScript Files to a Directory	01:09
14	014 Configure the Output Directory for Compiled Files	01:11
15	015 Use Vite for a Frontend App with TypeScript	01:47
16	016 Configure Vite for a Vanilla TypeScript Project	02:56
17	017 Comparing Vite with tsc	01:03
18	018 TypeScript as a Linter	03:33
19	019 TypeScript in a CI-CD System	03:41
20	020 Should TypeScript Block Your Dev Server_	04:47
21	021 Quickly Create Scripts with tsx	01:44
22	022 Understanding Function Errors	00:51
23	023 Fixing Errors in the	01:05
24	024 Annotating Empty Parameters	00:37
25	025 Annotating Function Parameters	01:15
26	026 Basic Types in TypeScript	00:56
27	027 TypeScript Basic Types	01:37
28	028 Optional Function Parameters	00:51
29	029 Optional Function Parameters in TypeScript	00:57
30	030 Default Parameters in JavaScript Functions	00:45
31	031 Add a Default Parameter	01:27
32	032 Typing Object Literals	00:43
33	033 Annotating with {}	01:47
34	034 Making Object Property Types Optional	00:52
35	035 Specifying Optional Properties	00:55
36	036 A Single Source of Truth for Type Definitions	00:53
37	037 Creating	01:30
38	038 Add an Array to an Object	00:53
39	039 Two Syntaxes for Arrays	01:46
40	040 Arrays of Objects in TypeScript	00:48
41	041 Representing an Array of Objects	02:12
42	042 Rest Parameters in TypeScript	00:37
43	043 Using Rest Parameters in TypeScript	01:01
44	044 Tuples for Precise Array Structures in TypeScript	01:20
45	045 Using Tuple Syntax in TypeScript	01:22
46	046 Using Optional Tuple Members in TypeScript	00:50
47	047 Working with Optional Tuple Members in TypeScript	01:34
48	048 The Controversial	01:07
49	049 The Dangers of Using _any_	02:06
50	050 Function Types	01:25
51	051 Function Types for Type Aliases in TypeScript	01:45
52	052 Typing an Event Listener	00:46
53	053 The	01:52
54	054 Restricting	00:50
55	055 Creating Typed Sets	02:16
56	056 Type Checking Maps	00:52
57	057 Adding Types to Maps	01:48
58	058 Debugging JSON Parsing	00:39
59	059 Decoding the JSON.parse Error	01:20
60	060 Typing Fetch API Responses in Async Functions	01:11
61	061 Adding Types to an Async Function	02:27
62	062 Understanding How TypeScript Works in Your IDE	01:16
63	063 Introspecting Variables and Declarations in TypeScript	01:19
64	064 Hovering Over a Function Call	00:28
65	065 Fixing Errors with Hovering	01:32
66	066 Adding Documentation for Hovers	00:33
67	067 TSDoc Comments	01:41
68	068 Manually Triggering Autocomplete	01:19
69	069 The Control + Space Shortcut	01:32
70	070 TypeScript's Approach to Errors	03:43
71	071 Quick Renaming in VS Code	01:51
72	072 Navigating Code with _Go to Definition_	02:29
73	073 Fast Imports in VS Code	00:53
74	074 Using Autocomplete and Quick Fix to Import Variables	02:12
75	075 Organizing Imports in Large Files	00:39
76	076 The Organize Imports Hotkey in VS Code	01:12
77	077 Quick Fix Refactoring	00:54
78	078 Refactoring with Quick Fixes	01:44
79	079 Automatic Code Formatting with Prettier	02:08
80	080 Restarting the TypeScript Server in VS Code	01:17
81	081 Handling Null Values in TypeScript	01:01
82	082 Introducing Union Types in TypeScript	01:14
83	083 Diving Deeper into Unions and Assignability	00:49
84	084 Restricting Function Parameters	00:55
85	085 Combining Literal & Union Types	01:57
86	086 Literal Type Assignability	01:06
87	087 Combining Union Types in TypeScript	01:29
88	088 Create New Types By Combining Unions	01:08
89	089 How Big Can a Union Be_	01:11
90	090 Resolving Literal Types to Wider Types	02:21
91	091 Narrowing Unions with	02:12
92	092 Conditional Narrowing in TypeScript	01:09
93	093 Different Approaches for Narrowing Inputs	02:50
94	094 Narrowing with Boolean Won't Work	01:05
95	095 Gotchas When Narrowing a Map in TypeScript	01:00
96	096 Correctly Narrowing a Map in TypeScript	01:41
97	097 Narrowing by Throwing Errors	00:59
98	098 Throwing Errors to Narrow	01:43
99	099 Narrowing with	01:30
100	100 Dynamically Handling Different API Responses in TypeScript	01:41
101	101 Introducing the Unknown Type in TypeScript	02:08
102	102 Dealing with Unknown Errors in TypeScript	01:40
103	103 Narrowing with	02:15
104	104 Narrowing Unknown in a Large Conditional Statement	01:16
105	105 Narrowing Unknown Types in TypeScript	02:56
106	106 Introducing the	02:24
107	107 Solving the Never Type in TypeScript	00:28
108	108 Empty Arrays and the Never Type in TypeScript	01:46
109	109 Narrowing Return Types with TypeScript	01:31
110	110 Returning	02:39
111	111 Narrowing in Different Scopes	01:29
112	112 Narrowing Behavior Across Scopes	04:08
113	113 Handling Separate But Related Types	01:42
114	114 Improving Type Safety with Discriminated Unions in TypeScript	04:17
115	115 Destructuring a Discriminated Union in TypeScript	00:53
116	116 Limitations of Destructuring Discriminated Unions	02:59
117	117 Narrowing a Discriminated Union with a Switch	01:05
118	118 Refactoring to a Switch Statement	02:20
119	119 The switch (true) Pattern in TypeScript	01:21
120	120 Refining Types with Discriminated Unions of Tuples	01:50
121	121 Handle Error and Success States by Narrowing	02:42
122	122 Discriminated Booleans	00:55
123	123 Discriminated Unions with Boolean Discriminators	01:09
124	124 Adding Defaults to a Discriminated Union	00:59
125	125 Handling Optional Parameters in Discriminated Unions	03:52
126	126 Should You Provide Function Return Types_	04:51
127	127 Extending Objects in TypeScript	02:09
128	128 Use the Intersection Operator to Extend an Object Type in TypeScript	00:49
129	129 Extend an Object Using Interfaces in TypeScript	00:54
130	130 Extending Interfaces to Create Hierarchies in TypeScript	01:50
131	131 Extending Incompatible Properties	00:53
132	132 Comparing Intersections and Interface Extends	03:20
133	133 Comparing Intersection and Interface Extends in TypeScript	02:11
134	134 Allow Dynamic Keys in TypeScript Types	01:00
135	135 Dynamic Keys with Index Signatures and Record Types	03:42
136	136 Allow Any String Key while Supporting Default Properties	00:41
137	137 Add an Index Signature to an Interface	01:33
138	138 Supporting Different Types of Keys in TypeScript	01:46
139	139 Using the PropertyKey Type in TypeScript	00:51
140	140 Restricting Object Keys in TypeScript	01:09
141	141 Records and Mapped Types in TypeScript	02:52
142	142 An Issue with Duplicate Interfaces	00:51
143	143 Declaration Merging in TypeScript Interfaces	03:09
144	144 Working with Partial Data from a Type	01:37
145	145 Manage Subtypes with the Pick Utility Type	02:56
146	146 Exclude a Property from an Interface	00:50
147	147 The Omit Utility Type in TypeScript	01:29
148	148 A Quirk of Omit in TypeScript	01:49
149	149 Understanding Distributive Omit and Pick in TypeScript	03:06
150	150 Excluding Fields from a TypeScript Type	00:55
151	151 The Partial Utility Type in TypeScript	01:08
152	152 Making Type Properties Required in TypeScript	00:48
153	153 Specifying a Type with Shared Properties in TypeScript	01:24
154	154 Common Keys of Unions of Objects in TypeScript	01:28
155	155 Fixing a Type Assignment Inference Error	01:02
156	156 Inference differences between let and const	02:10
157	157 Object Property Inference	00:49
158	158 Understanding Object Properties and Assignability in TypeScript	02:44
159	159 Creating Read-only Properties	00:28
160	160 Specifying Read-only Object Properties	01:03
161	161 Using a Type Helper to Create Read-only Properties	00:52
162	162 Use the Readonly Type Helper to Create Read-Only Objects in TypeScript	00:50
163	163 Deeply Apply Read-only Properties to an Object in TypeScript	01:23
164	164 Using as const to Deeply Apply Read-only Properties to an Object in TypeScript	01:18
165	165 Comparing Object.freeze with as const	00:55
166	166 Deeply Apply Read-only Properties with as const	01:36
167	167 Prevent Array Mutation in TypeScript	00:47
168	168 Two Ways to Create Read-Only Arrays in TypeScript	01:37
169	169 Distinguishing Assignability Between Read-Only and Mutable Arrays	02:02
170	170 Fixing Unsafe Tuples	01:32
171	171 Specifying a readonly Tuple	01:54
172	172 Use the ts-reset Library to Improve Readonly Array Handling in TypeScript	02:11
173	173 Improve Type Inference for an Async Function	01:20
174	174 Two Options for Improving Promise Return Types in TypeScript	02:03
175	175 Infer Strings as Their Literal Types in Objects with as const	01:55
176	176 Classes in TypeScript	00:51
177	177 Creating a Class with Default Properties	02:46
178	178 Implement Class Methods in TypeScript	00:55
179	179 Declaring Methods in TypeScript Classes	01:31
180	180 Creating Constructors for Classes in TypeScript	00:36
181	181 Receive Arguments in Class Constructors	01:42
182	182 Getter Methods in TypeScript	01:01
183	183 Adding a Getter to a Class in TypeScript	01:42
184	184 Public and Private Properties in TypeScript	00:54
185	185 Prevent Access to Private Properties in Classes	01:54
186	186 Setter Methods in TypeScript	00:54
187	187 Add a Setter to a TypeScript Class	01:26
188	188 Extending Classes in TypeScript	01:32
189	189 Inheriting Properties from Other Classes in TypeScript	04:12
190	190 Overriding Methods in TypeScript	03:05
191	191 Ensure a Class Adheres to a Contract	00:47
192	192 Implementing Interfaces in TypeScript with Classes	02:15
193	193 Using	01:10
194	194 Annotating	02:54
195	195 Intro to TypeScript-only Features	00:53
196	196 Parameter Properties in TypeScript	01:43
197	197 Working with Enums in TypeScript	01:46
198	198 Create an Enum in TypeScript	02:51
199	199 String Enums in TypeScript	01:15
200	200 Creating a String Enum in TypeScript	02:28
201	201 Const Enums in TypeScript	04:16
202	202 Namespaces in TypeScript	02:52
203	203 Merging Namespaces in TypeScript	01:31
204	204 Declaration Merging with Interfaces Inside of Namespaces	01:15
205	205 When to Prefer ES Features to TS Features	04:43
206	206 Introduction to Deriving Types in TypeScript	00:44
207	207 The keyof Operator	00:58
208	208 Flowing Types with the keyof Operator	01:23
209	209 The typeof Operator	01:34
210	210 Combine keyof and typeof to Derive Types	02:21
211	211 No Creating Runtime Values from Types	02:04
212	212 Deriving Types with Classes	00:58
213	213 Using typeof with Classes in TypeScript	02:16
214	214 Enums as Types and Values in TypeScript	00:53
215	215 The this Keyword in TypeScript	01:38
216	216 Using the Same Name for Values and Types in TypeScript	02:10
217	217 Creating Types from Complex Function Parameters	01:38
218	218 Use the Parameters Type to Extract Function Parameters	01:39
219	219 Extracting Return Types from Functions	00:34
220	220 Using the ReturnType Type Helper	00:43
221	221 Extract the Return Type from an Async Function	00:47
222	222 Unwrap Promises with the Awaited Type Helper	01:01
223	223 Access Specific Values in an as const Object	01:22
224	224 Use an Indexed Access Type to Access a Property	02:23
225	225 Pass a Union to an Indexed Access Type	00:43
226	226 Unions and Indexed Access Types in TypeScript	01:56
227	227 Extract a Union of All Values from an Object	00:39
228	228 Pass keyof into an Indexed Access Type	02:38
229	229 Create a Union from an as const Array	01:23
230	230 Pass a Primitive to an Indexed Access Type	02:04
231	231 Required vs Unnecessary Annotations	00:42
232	232 Simplifying TypeScript Annotations	04:18
233	233 Provide Additional Information to TypeScript	01:12
234	234 The _as_ and _as any_ Keywords in TypeScript	04:11
235	235 Global Typings use any	01:08
236	236 Preventing 'any' Type Issues from Global Typings	03:18
237	237 The Limits of as in TypeScript	02:22
238	238 Non-null Assertions	01:02
239	239 Adding a Non-null Assertion	03:16
240	240 The @ts-ignore Directive in TypeScript	03:16
241	241 The @ts-expect-error Directive in TypeScript	03:34
242	242 The @ts-nocheck Directive in TypeScript	01:47
243	243 Improve Type Annotations with the satisfies Operator	01:33
244	244 The satisfies Operator in TypeScript	02:29
245	245 Using satisfies with keyof and typeof in TypeScript	00:37
246	246 Specify Type Constraints with the satisfies Operator	01:31
247	247 Comparing as, satisfies, and Variable Annotations in TypeScript	01:30
248	248 When to Use as, satisfies, and Variable Annotations in TypeScript	04:15
249	249 The satisfies Keyword and Deeply Read-Only Objects in TypeScript	01:04
250	250 Combine as const with satisfies for Read-Only Objects	02:01
251	251 Accept Anything Except Null or Undefined	00:52
252	252 The Empty Object Type	03:03
253	253 Typing a Truly Empty Object	01:00
254	254 Handling a Truly Empty Object in TypeScript	02:45
255	255 Excess Property Warnings in TypeScript	01:08
256	256 Techniques for Triggering Excess Property Warnings in TypeScript	04:03
257	257 Excess Properties in Functions	01:11
258	258 Understanding Unexpected Properties in TypeScript	03:15
259	259 Object.keys and Object.entries in TypeScript	03:47
260	260 Iterating Over Object Keys in TypeScript	01:14
261	261 Techniques for Iterating Over Object Keys	03:42
262	262 Evolving Types using the	01:03
263	263 The Evolving	01:44
264	264 The Evolving	01:42
265	265 Function Parameter Comparisons in TypeScript	00:53
266	266 Understanding TypeScript's Function Parameter Comparisons	03:09
267	267 Typing Functions with Object Params	00:53
268	268 Typing Arrays of Functions with Object Params	01:40
269	269 Properly Typing an Object of Functions	01:48
270	270 Handling Union of Functions with Incompatible Types in TypeScript	02:13
271	271 Unions of Function Return Types	01:41
272	272 Annotating the Errors Thrown by a Function	01:13
273	273 Techniques for Annotating Errors in TypeScript	02:15
274	274 Understanding Modules and Scripts in TypeScript	02:27
275	275 Enforcing Module Usage in TypeScript	00:47
276	276 Update tsconfig for Modules	01:12
277	277 Declaration Files in TypeScript	01:40
278	278 Declaration Files Can Be Modules or Scripts	02:27
279	279 Using Declaration Files with JavaScript in TypeScript	00:57
280	280 Typing a JavaScript Module	02:29
281	281 Type Variables Declared Elsewhere	01:16
282	282 Ambient Context and the declare Keyword in TypeScript	02:32
283	283 Global Scope Declarations in TypeScript	00:58
284	284 Understanding Global Declarations in TypeScript	02:39
285	285 Configuring the lib Compiler Option	00:32
286	286 Setting a Compiler Target in tsconfig.json	05:14
287	287 DOM Typing Configuration in TypeScript	00:34
288	288 Update tsconfig.json to include DOM typings	02:16
289	289 Update DOM Typing to Include Iterable	00:39
290	290 Configuring TypeScript for DOM Iteration	01:22
291	291 Modifying TypeScript Global Scope	01:27
292	292 Adding Types to the Global Scope	02:58
293	293 Adding Type Definitions for External Libraries	00:38
294	294 Install Type Definitions from DefinitelyTyped	03:46
295	295 Integrating TypeScript with Node	01:11
296	296 Modifying process.env Typing in TypeScript	02:13
297	297 Updating Node.ProcessEnv	03:17
298	298 Types that Ship With Libraries	01:43
299	299 Declaring Module Types in TypeScript	01:01
300	300 The declare module Syntax in TypeScript	01:42
301	301 Importing and Typing Non-Code Files in TypeScript	00:59
302	302 Use Wildcards in TypeScript Module Declarations	02:29
303	303 TSConfig Options and Declaration Files	00:59
304	304 Understanding skipLibCheck in TypeScript	04:04
305	305 Should You Use Declaration Files to Store Your Types_	02:30
306	306 Recommended Base Configuration	03:26
307	307 Understanding Isolated Modules in TypeScript	03:27
308	308 Index Access Settings	00:51
309	309 Making Code Safer with No Unchecked Indexed Access	01:30
310	310 Using TypeScript as a Linter	01:11
311	311 The noEmit Option in tsconfig.json	02:06
312	312 Module NodeNext with Extensions	04:22
313	313 The moduleResolution Option in tsconfig.json	05:08
314	314 Enforcing Import Syntax	01:07
315	315 The Verbatim Module Syntax in TSConfig	03:22
316	316 Verbatim Module Syntax Enforces Import Type	02:52
317	317 Understanding lib and target in TypeScript Configuration	03:46
318	318 Bundle Your Code for Library Use	01:20
319	319 Emitting TypeScript Declaration Files	01:05
320	320 Navigate to Source Files Instead of Declaration Files	01:04
321	321 Utilizing Declaration Maps in TypeScript	01:29
322	322 Configure JSX Support in TypeScript	00:37
323	323 Update tsconfig.json to Support JSX	02:31
324	324 Multiple TypeScript Configurations	00:39
325	325 Managing Multiple tsconfig Files	01:19
326	326 Globals are Tied to a Single Configuration	00:51
327	327 Share Configuration Across Multiple tsconfig Files	00:36
328	328 Extending a Base TypeScript Configuration	01:45
329	329 TypeScript Project References	02:38
330	330 Organizing TypeScript Configurations with Project References	06:00
331	331 Designing Your Types	01:14
332	332 Introduction to Generic Types	01:35
333	333 Implement a Generic Type	03:59
334	334 Generics with Multiple Type Parameters	00:51
335	335 Add Multiple Type Arguments to a Generic Type	01:52
336	336 Handle Errors with a Generic Result Type	01:57
337	337 Default Type Parameters in Generics	01:10
338	338 Specify a Default Type Parameter	01:42
339	339 Add Constraints to a Type Parameter	01:11
340	340 Constraining Type Parameters	02:46
341	341 Build a Stricter Omit Type	01:06
342	342 Constrain Keys in a StrictOmit Type Helper	01:38
343	343 Template Literal Types in TypeScript	01:03
344	344 Constrain Strings to Match a Pattern with Template Literal Types	02:10
345	345 Represent All Possible Type Combinations with Template Literals	00:38
346	346 Passing Unions to Template Literal Types	01:59
347	347 Derive Types with Mapped Types	01:04
348	348 Use a Mapped Type to Create a New Object Shape	03:21
349	349 Remapping Keys in TypeScript Map Types	01:13
350	350 Combine the	02:28
351	351 Introduction to the Utilities Folder	01:55
352	352 Generic Functions Without Inference	01:07
353	353 Make a Function Generic	01:54
354	354 Default Parameter Types for Generic Functions	00:51
355	355 Setting a Default Parameter Type for Generic Functions	00:40
356	356 Inference in Generic Functions	01:09
357	357 Enable Generic Functions to Better Infer Types	03:39
358	358 Type Parameter Constraints with Generic Functions	01:22
359	359 Add Constraints to Generic Functions with the extends Keyword	02:45
360	360 Combining Generic Types with Generic Functions	01:16
361	361 Refactoring for Generic Types and Functions	02:15
362	362 Multiple Type Arguments in Generic Functions	01:08
363	363 Type Inference in Function Parameters	04:16
364	364 Using Type Predicates to Create Reusable Type Guards	01:26
365	365 Annotate a Return Type with a Type Predicate	03:23
366	366 Understanding Assertion Functions in TypeScript	01:35
367	367 Asserting Types with Type Predicates	02:09
368	368 Adapt a Function to Handle Different Types of Arguments	01:22
369	369 Implement Function Overloads	04:29

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