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authorMilo Gilad <milogaccnts@gmail.com>2017-08-24 16:10:16 -0400
committerMilo Gilad <milogaccnts@gmail.com>2017-08-24 16:10:16 -0400
commit0c105ca0b23f5e5d83876d216be6a4812425954b (patch)
treee088338898c88b260247b78f8c8bec9ea73cb1f8 /vala.html.markdown
parentca5d90eb7d44439e40c4937dd5b4f55cd2994a74 (diff)
Added arrays section
Diffstat (limited to 'vala.html.markdown')
-rwxr-xr-xvala.html.markdown65
1 files changed, 54 insertions, 11 deletions
diff --git a/vala.html.markdown b/vala.html.markdown
index b6cbeb98..a8d90e47 100755
--- a/vala.html.markdown
+++ b/vala.html.markdown
@@ -1,7 +1,7 @@
---
language: vala
contributors:
- - ["Milo Gilad", "https://github.com/bigbash"]
+ - ["Milo Gilad", "https://github.com/Myl0g"]
filename: LearnVala.vala
---
@@ -12,6 +12,7 @@ Vala has aspects of Java and C#, so it'll be familiar to those who know either o
[Read more here.](https://wiki.gnome.org/Projects/Vala)
```vala
+
// Single line comment
/* Multiline
@@ -21,31 +22,73 @@ Comment */
* Documentation comment
*/
-/*
-Data Types
-*/
+/* Data Types */
// Vala supports the data types supported by most other programming languages.
char character = 'a'
unichar unicode_character = 'u' // 32-bit unicode character
-int i; // ints can also have guaranteed sizes (e.g. int64, uint64)
-uint j;
+int i = 2; // ints can also have guaranteed sizes (e.g. int64, uint64)
+uint j = -6; // Won't compile; unsigned ints can only be positive
long k;
short l;
ushort m;
+string text = "Hello,"; // Note that the == operator will check string content
+string verbatim = """This is a verbatim (a.k.a. raw) string. Special characters
+(e.g. \n) are not interpreted. They may also be multiple lines long.""";
-/*
-Basic Syntax
-*/
+// String Templates allow for easy string formatting
+string string_template = @"$text world"; // "$text" evaluates to "Hello"
+
+int test = 5;
+int test2 = 10;
+string template2 = @"$(test * test2) is a number."; // Expression evaluation
+
+string template_slice = string_template[7:12]; // => "world"
+
+// Most data types have methods for parsing.
+
+bool parse_bool = bool.parse("false"); // => false
+int parse_int = int.parse("-52");
+string parse_string = parse_int.to_string();
+
+/* Basic I/O */
+
+stdout.printf(parse_string); // Prints to console
+string input = stdin.read_line(); // Gets input from console
+
+stderr.printf("Error message"); // Error printing
+
+/* Arrays */
+
+int[] int_array = new int[10]; // Array of ints with 10 slots
+int[] int_array2 = {5, 10, 15, 20}; // Can be created on-the-fly
+
+int[] array_slice = int_array2[1:3]; // Slice (copy of data)
+unowned int[] array_slice_ref = int_array2[1:3]; // Reference to data
+
+// Multi-dimensional Arrays (defined with a number of commas in the brackets)
+
+int[,] multi_array = new int[6,4]; // 6 is the number of arrays, 4 is their size
+int[,] multi_array2 = {{7, 4, 6, 4},
+ {3, 2, 4, 6},
+ {5, 9, 5, 1}};
+multi_array2[2,3] = 12; // 2 is the array, 3 is the index in the array
-// Like in C#, scope is defined using braces.
-// An object or reference is only valid between braces.
+struct Closet {
+ public uint shirts;
+ public uint jackets;
+}
+enum HouseSize {
+ SMALL,
+ MODERATE,
+ BIG
+}
```