Hello World

Code

import std.io

main {
    println("Hello World!")
}

How to run it

• Save the above code to a file named 'hello.v'
• Open your favorite terminal/console, and change to the directory that hello.v is in.
• Type in the command:

venus hello.v

• you will get an output:

>Hello World!
>

Explain it

The code does three things:

1. import the standard I/O library module std.io

so that we can call the println function in that module.

2. define an entry point of the program with main, in C this would be

unlike C, using a function int main() {...} to define the entry point, Venus directly support the main block.

Code in main block will be the entry point of a program.

3. call the println(...) function to print a message to the console.

Here ln means after the message we want a new line.

println(...) is similar to this code in C:

printf("Hello World!\n")