update structure

src/data.zig

@@ -1,25 +1,18 @@
-const std = @import("std");
+const Type = enum { ailment, recipe, ingredient };
 
-const Node = struct { name: []const u8, description: []const u8 };
-const Edge = struct { name: []const u8, left: usize, right: usize };
+const NodeID = enum(u16) { sellery_juice };
 
-const Container = struct {
-    nodes: std.ArrayList(Node),
-    edges: std.ArrayList(Edge),
-
-    fn init(allocator: std.mem.Allocator) Container {
-        return .{
-            .nodes = std.ArrayList(Node).init(allocator),
-            .edges = std.ArrayList(Edge).init(allocator),
-        };
-    }
-
-    fn deinit(self: *Container) void {
-        self.nodes.deinit();
-        self.edges.deinit();
-    }
+const Node = struct {
+    name: []const u8,
+    description: []const u8,
+    type: Type,
 };
 
-fn createData(allocator: std.mem.Allocator) !void {
-    const container = try Container.init(allocator);
-}
+const Edge = struct {
+    name: []const u8,
+    source: NodeID,
+    dest: NodeID,
+};
+
+var nodes: []const Node = &.{};
+var edges: []const Edge = &.{};