Update and regression test old demos

code/old_demos/demo001.odin

@@ -136,7 +136,7 @@ bounds_checking :: proc() {
 
 	{
 		base: [10]int;
-		s := base[2:6];
+		s := base[2..6];
 		a, b := -1, 6;
 
 		#no_bounds_check {
@@ -164,7 +164,7 @@ type_introspection :: proc() {
 		info = type_info_of_val(x); // by value
 		// See: runtime.odin
 
-		match type i in info {
+		match i in info {
 		case Type_Info.Integer:
 			fmt.println("integer!");
 		case Type_Info.Float:
@@ -174,7 +174,7 @@ type_introspection :: proc() {
 		}
 
 		// Unsafe cast
-		integer_info := cast(^Type_Info.Integer)info;
+		integer_info := cast(^Type_Info.Integer)cast(rawptr)info;
 	}
 
 	{
@@ -263,12 +263,12 @@ crazy_introspection :: proc() {
 		}
 
 		fruit_ti := type_info(Fruit);
-		name := (cast(^Type_Info.Named)fruit_ti).name; // Unsafe casts
-		info := cast(^Type_Info.Enum)type_info_base(fruit_ti); // Unsafe casts
+		name := (union_cast(^Type_Info.Named)fruit_ti).name; // Unsafe casts
+		info, _ := union_cast(^Type_Info.Enum)type_info_base(fruit_ti); // Unsafe casts
 
-		fmt.printf("% :: enum % {\n", name, info.base);
-		for i := 0; i < info.values.count; i += 1 {
-			fmt.printf("\t%\t= %,\n", info.names[i], info.values[i]);
+		fmt.printf("%s :: enum %T {\n", name, info.base);
+		for i := 0; i < len(info.values); i++ {
+			fmt.printf("\t%s\t= %v,\n", info.names[i], info.values[i]);
 		}
 		fmt.printf("}\n");
 

code/old_demos/demo004.odin

@@ -1,14 +1,14 @@
-#import "fmt.odin"
-#import "utf8.odin"
-#import "hash.odin"
-#import "mem.odin"
+#import "fmt.odin";
+#import "utf8.odin";
+#import "hash.odin";
+#import "mem.odin";
 
 main :: proc() {
 	{ // New Standard Library stuff
-		s := "Hello"
+		s := "Hello";
 		fmt.println(s,
 		            utf8.valid_string(s),
-		            hash.murmur64(s.data, s.count))
+		            hash.murmur64(cast([]byte)s));
 
 		// utf8.odin
 		// hash.odin
@@ -19,15 +19,15 @@ main :: proc() {
 	}
 
 	{
-		arena: mem.Arena
-		mem.init_arena_from_context(^arena, mem.megabytes(16)) // Uses default allocator
-		defer mem.free_arena(^arena)
+		arena: mem.Arena;
+		mem.init_arena_from_context(^arena, mem.megabytes(16)); // Uses default allocator
+		defer mem.free_arena(^arena);
 
 		push_allocator mem.arena_allocator(^arena) {
-			x := new(int)
-			x^ = 1337
+			x := new(int);
+			x^ = 1337;
 
-			fmt.println(x^)
+			fmt.println(x^);
 		}
 
 		/*
@@ -48,14 +48,14 @@ main :: proc() {
 
 		// You can also "push" a context
 
-		c := current_context() // Create copy of the allocator
-		c.allocator = mem.arena_allocator(^arena)
+		c := context; // Create copy of the allocator
+		c.allocator = mem.arena_allocator(^arena);
 
 		push_context c {
-			x := new(int)
-			x^ = 365
+			x := new(int);
+			x^ = 365;
 
-			fmt.println(x^)
+			fmt.println(x^);
 		}
 	}
 

code/old_demos/demo005.odin

@@ -42,12 +42,12 @@ syntax :: proc() {
 	};
 	Thing2 :: struct {x: f32, y: int, z: ^[]int};
 
-	// Slice interals are now just a `ptr+count`
-	slice: []int; compile_assert(size_of_val(slice) == 2*size_of(int));
+	// Slice interals are now just a `ptr+len+cap`
+	slice: []int; compile_assert(size_of_val(slice) == 3*size_of(int));
 
 	// Helper type - Help the reader understand what it is quicker
-	My_Int  :: type int;
-	My_Proc :: type proc(int) -> f32;
+	My_Int  :: #type int;
+	My_Proc :: #type proc(int) -> f32;
 
 
 	// All declarations with : are either variable or constant
@@ -59,6 +59,7 @@ syntax :: proc() {
 	c_proc     :: proc() { /* code here */ };
 
 
+/*
 	x += 1;
 	x -= 1;
 	// ++ and -- have been removed
@@ -67,7 +68,7 @@ syntax :: proc() {
 	// Question: Should they be added again?
 	// They were removed as they are redundant and statements, not expressions
 	// like in C/C++
-
+*/
 
 	// You can now build files as a `.dll`
 	// `odin build_dll demo.odin`
@@ -85,7 +86,7 @@ syntax :: proc() {
 
 Prefix_Type :: struct {x: int, y: f32, z: rawptr};
 
-thread_local my_tls: Prefix_Type;
+#thread_local my_tls: Prefix_Type;
 
 prefixes :: proc() {
 	using var: Prefix_Type;
@@ -98,7 +99,7 @@ prefixes :: proc() {
 
 	foo :: proc(using immutable pt: Prefix_Type, immutable int_ptr: ^int) {
 		// int_ptr = nil; // Not valid
-		int_ptr^ = 123; // Is valid
+		// int_ptr^ = 123; // Not valid
 	}
 
 
@@ -154,6 +155,7 @@ foreign_procedures :: proc() {
 }
 
 special_expressions :: proc() {
+/*
 	// Block expression
 	x := {
 		a: f32 = 123;
@@ -168,7 +170,7 @@ special_expressions :: proc() {
 		// TODO: Type cohesion is not yet finished
 		give 123;
 	}; // semicolon is required as it's an expression
-
+*/
 
 	// This is allows for inline blocks of code and will be a useful feature to have when
 	// macros will be implemented into the language
@@ -191,17 +193,17 @@ loops :: proc() {
 		break;
 	}
 
-	for i in 0..<123 { // 123 exclusive
+	for i in 0..123 { // 123 exclusive
 	}
 
-	for i in 0...122 { // 122 inclusive
+	for i in 0..123-1 { // 122 inclusive
 	}
 
-	for val, idx in 12..<16 {
+	for val, idx in 12..16 {
 		fmt.println(val, idx);
 	}
 
-	primes := [...]int{2, 3, 5, 7, 11, 13, 17, 19};
+	primes := [..]int{2, 3, 5, 7, 11, 13, 17, 19};
 
 	for p in primes {
 		fmt.println(p);
@@ -224,7 +226,7 @@ loops :: proc() {
 	when false {
 		for i, size := 0; i < name.count; i += size {
 			r: rune;
-			r, size = utf8.decode_rune(name[i:]);
+			r, size = utf8.decode_rune(name[i..]);
 			fmt.printf("%r\n", r);
 		}
 	}