From ed585278ff9af9f332d75b81deb9f7af19b638eb Mon Sep 17 00:00:00 2001
From: kayomn <kayomn@kayomn.net>
Date: Mon, 10 Jul 2023 22:25:21 +0100
Subject: [PATCH] Tidy up allocator type erasing bind function

---
 source/coral/io.zig | 39 ++++++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 19 deletions(-)

diff --git a/source/coral/io.zig b/source/coral/io.zig
index 8ff87bd..2f53b8d 100644
--- a/source/coral/io.zig
+++ b/source/coral/io.zig
@@ -24,29 +24,30 @@ pub const Allocator = struct {
 	pub fn bind(comptime State: type, state: *State, comptime actions: Actions(State)) Allocator {
 		const is_zero_aligned = @alignOf(State) == 0;
 
+		const ErasedActions = struct {
+			fn deallocate(context: *anyopaque, allocation: []Byte) void {
+				if (is_zero_aligned) {
+					return actions.deallocator(@ptrCast(context), allocation);
+				}
+
+				return actions.deallocate(@ptrCast(@alignCast(context)), allocation);
+			}
+
+			fn reallocate(context: *anyopaque, return_address: usize, existing_allocation: ?[]Byte, size: usize) AllocationError![]Byte {
+				if (is_zero_aligned) {
+					return actions.reallocator(@ptrCast(context), return_address, existing_allocation, size);
+				}
+
+				return actions.reallocate(@ptrCast(@alignCast(context)), return_address, existing_allocation, size);
+			}
+		};
+
 		return .{
 			.context = if (is_zero_aligned) state else @ptrCast(state),
 
 			.actions = &.{
-				.deallocate = struct {
-					fn deallocate(context: *anyopaque, allocation: []Byte) void {
-						if (is_zero_aligned) {
-							return actions.deallocator(@ptrCast(context), allocation);
-						}
-
-						return actions.deallocate(@ptrCast(@alignCast(context)), allocation);
-					}
-				}.deallocate,
-
-				.reallocate = struct {
-					fn reallocate(context: *anyopaque, return_address: usize, existing_allocation: ?[]Byte, size: usize) AllocationError![]Byte {
-						if (is_zero_aligned) {
-							return actions.reallocator(@ptrCast(context), return_address, existing_allocation, size);
-						}
-
-						return actions.reallocate(@ptrCast(@alignCast(context)), return_address, existing_allocation, size);
-					}
-				}.reallocate,
+				.deallocate = ErasedActions.deallocate,
+				.reallocate = ErasedActions.reallocate,
 			}
 		};
 	}