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Learning Vala

I started learning the Vala programming language when I moved to GitHub, late into 2020. As of 2021 November 23rd, I don't know too much about the language. This document will go over my knowledge of the Vala programming language so far.

Comments in Vala

Comments in Vala are similar to languages like C, C++, Java, CSS, etc.

// This is a single line comment
/* This is also a single line comment */
/* This is
a multi-
line com-
ment */

Hello World in Vala

This is a simple Hello World program in Vala:

void main() {
	print ("Hello World\n");
}

Integers in Vala

Integers in Vala are standard and similar to most programming languages:

int x = 1;

Floating values in Vala

Vala supports the float keyword. It stores a decimal value. I have not tested its bitwise limitation yet (if it can handle 2^64)

float pi = 3.14;

Strings in Vala

Vala supports the string keyword.

string str = ("Stringy string");

Double keyword in Vala

Vala supports the double keyword (double precision floating point), similarly to how the C programming language handles it.

double trouble = 2

I don't know how to work this yet.

/!\ This example has not been tested yet, and may not work

Classes in Vala

Vala supports classes.

class valaClass() {
	void main() {
		print("Vala Class returns true");	
	}
}

/!\ This example has not been tested yet, and may not work

Return statements in Vala

Vala supports the return statement.

int value1 = 2;
return value1();

/!\ This example has not been tested yet, and may not work

Break keyword in Vala

break;

To this day, I am still not entirely sure what the break keyword does, but most languages support it.

/!\ This example has not been tested yet, and may not work

Other knowledge of Vala

1. Vala is a semicolon and curly bracket language

2. Vala uses 2 file extensions: *.vala or *.vapi

3. Vala is developed by the GNOME Foundation

4. I am not sure whether Vala works well outside of Linux/GNOME

5. No other knowledge of the Vala programming language

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