prepare for generics

1 files changed, 2 insertions, 1 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| {