start creating an odin lang guide

Author: sjoerdev

content/posts/odin-guide.md

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+---
+title: "A guide to the Odin language"
+date: "2026-06-01"
+description: A general Odin guide for somewhat experienced programmers.
+summary: "A general Odin guide for somewhat experienced programmers."
+ShowToc: true
+TocOpen: true
+ShowBreadCrumbs: true
+---
+
+## Types
+
+This is a table that hold a comparison of all fundamental types you should know about compared to what they are in other languages:
+
+|          Type:           |        Odin        |    C#     |
+| ------------------------ | ------------------ | --------- |
+| 16 bit floating          | `f16`              |           |
+| 32 bit floating          | `f32`              | `float`   |
+| 64 bit floating          | `f64`              | `double`  |
+| 128 bit floating         |                    | `decimal` |
+| 8 bit integer signed     | `i8`               | `sbyte`   |
+| 8 bit integer unsigned   | `u8`               | `byte`    |
+| 16 bit integer signed    | `i16`              | `short`   |
+| 16 bit integer unsigned  | `u16`              | `ushort`  |
+| 32 bit integer signed    | `i32`              | `int`     |
+| 32 bit integer unsigned  | `u32`              | `uint`    |
+| 64 bit integer signed    | `i64`              | `long`    |
+| 64 bit integer unsigned  | `u64`              | `ulong`   |
+| 128 bit integer signed   | `s128`             |           |
+| 128 bit integer unsigned | `u128`             |           |
+| pointer sized integer    | `uintptr`          | `nint`    |
+| boolean                  | `bool`             | `bool`    |
+| character                | `rune`             | `char`    |
+| string                   | `string`/`cstring` | `string`  |
+| no type                  | `any`              | `object`  |
+| type identifier          | `typeid`           | `Type`    |
+| null                     | `nil`              | `null`    |
+
+
+## Loops
+
+**Simple for loops:**
+
+Doing loops in Odin is very simple and c like, with some nice syntax choices, like merging for and while loops, 
+and having a `for value in collection` syntax for things like arrays.
+
+```odin
+// basic loop
+for i := 0; i < 10; i += 1 {
+	fmt.println(i)
+}
+
+// while loop equivelant
+for i < 10 {
+	fmt.println(i)
+}
+
+// range loop
+for i in 0..<10 {
+	fmt.println(i)
+}
+
+// array loop (array/slice/dynamic/string/map)
+for value in some_array {
+	fmt.println(value)
+}
+
+// named index array loop
+for value, index in some_array {
+	fmt.println(index, value)
+}
+
+// named key and value map loop
+for key, value in some_map {
+	fmt.println(key, value)
+}
+
+// infinite loop
+for {
+	fmt.println(i)
+}
+
+// nested loop
+for i := 0; i < 10; i += 1 {
+	for j := 0; j < 10; j += 1 {
+        fmt.println(i, j)
+    }
+}
+
+// nested array loop
+for outer in outer_array {
+	for inner in inner_array {
+        fmt.println(inner, outer)
+    }
+}
+
+// reverse loop
+#reverse for x in array {
+	fmt.println(x)
+}
+
+// array loop by reference
+for &value in some_array {
+	value = something // element can be modified
+}
+
+// map loop by referende (key can not be referenced)
+for key, &value in some_map {
+	value += 1
+}
+
+// single line loops with scope block
+for i := 0; i < 10; i += 1 { }
+
+// single line loop (using the do keyword)
+for i := 0; i < 10; i += 1 do foo()
+```
+
+## Ternary Operator
+
+## References
+
+## Memory
+
+## Pointers
+
+## Modules And Imports
+
+## Standard Library
+
+## Initialization
+
+## Structs
+
+## Casting
+
+## Array Programming (Operator Overloading)
+
+## Arrays / Slices
+
+## Polymorphism (Generics)
+
+## Strings
+
+## Function Pointers / Function Types