ref: rename gpa usages to the aliased DebugAllocator

examples/elements/input.zig

@@ -124,7 +124,7 @@ const MouseDraw = struct {
 pub fn main() !void {
     errdefer |err| log.err("Application Error: {any}", .{err});
 
-    var gpa: std.heap.GeneralPurposeAllocator(.{}) = .init;
+    var gpa: std.heap.DebugAllocator(.{}) = .init;
     defer if (gpa.deinit() == .leak) log.err("memory leak", .{});
 
     const allocator = gpa.allocator();
@@ -191,7 +191,10 @@ pub fn main() !void {
             .key => |key| if (key.eql(.{ .cp = 'c', .mod = .{ .ctrl = true } })) app.quit(),
             .accept => |input| {
                 defer allocator.free(input);
-                log.info("Accepted input {any}", .{input});
+                var string = try allocator.alloc(u8, input.len);
+                defer allocator.free(string);
+                for (0.., input) |i, char| string[i] = @intCast(char);
+                log.debug("Accepted input '{s}'", .{string});
             },
             .err => |err| log.err("Received {s} with message: {s}", .{ @errorName(err.err), err.msg }),
             else => {},