✓
Passing This code compiles and runs correctly.
Code
// MUST_FAIL: Zig-style struct syntax in parameter values must be rejected
//
// Koru does not support Zig anonymous struct literals (.{ .field = value })
// in flow call parameters. Use named parameters instead.
~import std/io
const std = @import("std");
pub const Request = struct {
method: []const u8,
path: []const u8,
};
~pub event handle { req: Request }
| response { status: u16, body: []const u8 }
~proc handle|zig {
return .{ .response = .{ .status = 200, .body = "ok" } };
}
// WRONG: Zig-style struct literal in parameter value
~handle(req: .{ .method = "GET", .path = "/health" })
| response r |> std/io:print.ln("{{ r.body:s }}")
Must fail at frontend compile:
Parsing or type-checking must reject the program.
Expected compiler error
error[PARSE003]: Zig-style struct syntax '.{' is not valid in Koru parameter values — pass fields as named parameters instead
--> tests/regression/300_ADVANCED_FEATURES/350_PATTERN_BRANCHES/350_006_http_routing/input.kz:23:1
|
23 | ~handle(req: .{ .method = "GET", .path = "/health" })
| ^
Test Configuration
Expected Error:
Zig-style struct syntax