From 275d7f14633be3a7b16e839a5864f4c2e5886b05 Mon Sep 17 00:00:00 2001
From: jjanzen <jjanzen@jjanzen.ca>
Date: Wed, 22 Jan 2025 11:34:53 -0600
Subject: prepare for generics

---
 src/frontend/ncurses.zig |  3 ++-
 src/main.zig             | 12 +++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/frontend/ncurses.zig b/src/frontend/ncurses.zig
index 9b626b3..dfbf276 100644
--- a/src/frontend/ncurses.zig
+++ b/src/frontend/ncurses.zig
@@ -1,4 +1,5 @@
 //! This module provides an implementation of IO using the ncurses library.
+const io_interface = @import("io_interface.zig");
 const std = @import("std");
 const Action = @import("../actions.zig").Action;
 const ncurses = @cImport({
@@ -119,7 +120,7 @@ pub const IO = struct {
     /// Display a message in the message box.
     /// Takes a pre-formatted null-terminated string
     /// If the message is too wide for the box, display "Message too long" instead.
-    pub fn displayMessage(self: *IO, str: []const u8) !void {
+    pub fn displayMessage(self: *IO, str: []const u8) error{OutOfMemory}!void {
         if (self.msgs == null) return;
 
         for (1..MESSAGE_PANEL_WIDTH - 1) |i| {
diff --git a/src/main.zig b/src/main.zig
index 98f0369..5fe26db 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -11,7 +11,9 @@ pub fn main() u8 {
     };
     defer io.deinit();
 
-    try io.displayMessage("Initialized");
+    io.displayMessage("Initialized") catch {
+        return 1;
+    };
 
     var action = Action.illegal;
     var tick_count: usize = 0;
@@ -20,7 +22,9 @@ pub fn main() u8 {
             return 1;
         };
         defer allocator.free(str);
-        try io.displayMessage(str);
+        io.displayMessage(str) catch {
+            return 1;
+        };
 
         action = io.waitForTick() catch {
             return 1;
@@ -31,7 +35,9 @@ pub fn main() u8 {
                     return 1;
                 };
                 defer allocator.free(str2);
-                try io.displayMessage(str2);
+                io.displayMessage(str2) catch {
+                    return 1;
+                };
 
                 tick_count += 1;
             },
-- 
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