Some data struct now use file instead of = struct {

src/stuffs/UUIDFileIndex.zig

@@ -2,7 +2,8 @@ const std = @import("std");
 const UUID = @import("dtype").UUID;
 const ArenaAllocator = std.heap.ArenaAllocator;
 
-pub const UUIDIndexMap = struct {
+pub const UUIDIndexMap = @This();
+
 arena: *ArenaAllocator,
 map: *std.AutoHashMap(UUID, usize),
 
@@ -44,7 +45,6 @@ pub const UUIDIndexMap = struct {
 pub fn get(self: UUIDIndexMap, uuid: UUID) ?usize {
     return self.map.get(uuid);
 }
-};
 
 test "Create empty UUIDIndexMap" {
     const allocator = std.testing.allocator;

src/stuffs/additionalData.zig

@@ -9,7 +9,8 @@ const DataType = dtype.DataType;
 const ZipponError = @import("errors.zig").ZipponError;
 
 /// This is the [] part
-pub const AdditionalData = struct {
+pub const AdditionalData = @This();
+
 allocator: Allocator,
 limit: usize = 0,
 childrens: std.ArrayList(AdditionalDataMember),
@@ -31,7 +32,6 @@ pub const AdditionalData = struct {
 pub fn addMember(self: *AdditionalData, name: []const u8, index: usize) ZipponError!void {
     self.childrens.append(AdditionalDataMember.init(self.allocator, name, index)) catch return ZipponError.MemoryError;
 }
-};
 
 // This is name in: [name]
 // There is an additional data because it can be [friend [1; name]]

src/stuffs/relationMap.zig

@@ -28,7 +28,7 @@ pub const JsonString = struct {
     init: bool = false,
 };
 
-pub const RelationMap = struct {
+pub const RelationMap = @This();
 struct_name: []const u8,
 member_name: []const u8,
 additional_data: AdditionalData,
@@ -72,4 +72,3 @@ pub const RelationMap = struct {
     }
     return start;
 }
-};