richer formatting

examples/programs/milestone_39/main.bro

@@ -0,0 +1,110 @@
+io :: import "@std/io"
+process :: import "@std/process"
+debug :: import "@std/debug"
+
+State :: enum {
+	idle
+	running
+}
+
+Payload :: union(enum) {
+	count i32
+	empty void
+}
+
+Pair :: struct { i32, bool }
+
+Config :: struct {
+	enabled bool
+	ratio f64
+	label []u8
+	state State
+	values [2]i32
+	pair Pair
+	maybe ?i32
+	payload Payload
+}
+
+first Config :: Config {
+	enabled = true,
+	ratio = 1.5,
+	label = "bro",
+	state = .running,
+	values = [20, 22],
+	pair = Pair {7, true},
+	maybe = 9,
+	payload = Payload {count = 4},
+}
+
+same Config :: Config {
+	enabled = true,
+	ratio = 1.5,
+	label = "bro",
+	state = .running,
+	values = [20, 22],
+	pair = Pair {7, true},
+	maybe = 9,
+	payload = Payload {count = 4},
+}
+
+different Config :: Config {
+	enabled = false,
+	ratio = 2.5,
+	label = "bro",
+	state = .idle,
+	values = [21, 21],
+	pair = Pair {7, false},
+	maybe = none,
+	payload = .empty,
+}
+
+score func($config Config) i32 {
+	return config.values[0]
+}
+
+Carrier func($config Config) type {
+	return struct { value i32 }
+}
+
+read_carrier func($config Config, carrier Carrier(config)) i32 {
+	return carrier.value + config.values[0]
+}
+
+main func(init process.Init) i32 {
+	if score(first) != 20 or score(same) != 20 or score(different) != 21 {
+		return 1
+	}
+	carrier Carrier(first) :: Carrier(first) {value = 22}
+	if read_carrier(carrier) != 42 {
+		return 2
+	}
+
+	writer io.Writer :: io.Writer {impl = init.io, stream = .stdout}
+	positive f64 = 1.0
+	zero f64 = 0.0
+	infinity f64 :: positive / zero
+	nan f64 :: zero / zero
+	io.print(writer, "{} {} {} {} {s} {d} {b} {o} {x} {X} {c} {e} {{}} {d} {b} {} {} {e}\n", {
+		true,
+		-42,
+		1.5,
+		State.running,
+		"bro",
+		2.5,
+		10,
+		10,
+		255,
+		255,
+		u8('A'),
+		1.5,
+		minval!(i64),
+		u64(0),
+		infinity,
+		nan,
+		f32(1.5),
+	}) catch |_| {
+		return 3
+	}
+	debug.print("debug={} {x}\n", {State.idle, 42})
+	return 0
+}