By Caleb Doxsey
This publication is a brief, concise creation to laptop programming utilizing the language pass. Designed by way of Google, pass is a basic objective programming language with sleek gains, fresh syntax and a powerful well-documented universal library, making it a terrific language to benefit as your first programming language.
Read or Download An Introduction To Programming in Go PDF
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Extra info for An Introduction To Programming in Go
Example text
Also notice that you see 101 instead of e when you run this program. This is because the character is represented by a byte (remember a byte is an integer). 31 Types One way to think about indexing would be to show it like this instead: "Hello World"1. You'd read that as “The string Hello World sub 1,” “The string Hello World at 1” or “The second character of the string Hello World”. 3. Concatenation uses the same symbol as addition. The Go compiler figures out what to do based on the types of the arguments.
How are integers stored on a computer? 2. We know that (in base 10) the largest 1 digit number is 9 and the largest 2 digit number is 99. Given that in binary the largest 2 digit number is 11 (3), the largest 3 digit number is 111 (7) and the largest 4 digit number is 1111 (15) what's the largest 8 digit number? (hint: 101-1 = 9 and 102-1 = 99) 3. Although overpowered for the task you can use Go as a calculator. Write a program that computes 321325 × 424521 and prints it to the terminal. (Use the * operator for multiplication) 4.
Variables 46 Problems 1. What are two ways to create a new variable? 2. What is the value of x after running: x := 5; x += 1? 3. What is scope and how do you determine the scope of a variable in Go? 4. What is the difference between var and const? 5. Using the example program as a starting point, write a program that converts from Fahrenheit into Celsius. (C = (F - 32) * 5/9) 6. Write another program that converts from feet into meters. 3048 m) 5 Control Structures Now that we know how to use variables it's time to start writing some useful programs.