use idiomatic catch+switch pattern

Signed-off-by: Robert Günzler <r@gnzler.io>

1 files changed, 4 insertions, 3 deletions

diff --git a/src/main.zig b/src/main.zig
index e3bfb44..61ab139 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -414,11 +414,12 @@ fn genIndexHtml(ctx: *Context) !void {
 }
 
 fn index(allocator: std.mem.Allocator, rootpath: []const u8) ![][]const u8 {
-    var root = std.fs.cwd().openDir(rootpath, .{ .iterate = true }) catch |err| {
-        if (err == error.FileNotFound) {
+    var root = std.fs.cwd().openDir(rootpath, .{ .iterate = true }) catch |err| switch (err) {
+        error.FileNotFound => {
             std.log.err("Missing {s} folder.", .{PAGE_PATH});
             std.os.linux.exit(1);
-        } else return err;
+        },
+        else => |e| return e,
     };
     defer root.close();