anonymous struct payloads

examples/programs/errors/main.bro

@@ -5,6 +5,10 @@ BasicError :: enum {
 
 DetailError :: union(enum) {
 	code i32
+	info struct {
+		code i32
+		extra i32
+	}
 	empty void
 }
 
@@ -44,6 +48,7 @@ via_try func(value i32) i32 ! BasicError {
 with_detail func(value i32) i32 ! DetailError {
 	if (value == 0) return .code{5}
 	if (value == 1) return .empty
+	if (value == 3) return .info{code = 8, extra = 9}
 	return value
 }
 
@@ -65,8 +70,9 @@ catch_basic func(value i32) i32 {
 catch_detail func(value i32) i32 {
 	return with_detail(value) catch |e| {
 		match e {
-			.code |n|: yield n + 30
-			.empty:   yield 40
+			.code |n|:     yield n + 30
+			.info |info|:  yield info.code + info.extra + 30
+			.empty:        yield 40
 		}
 	}
 }
@@ -74,10 +80,11 @@ catch_detail func(value i32) i32 {
 catch_widen func(value i32) i32 {
 	return via_widen(value) catch |e| {
 		match e {
-			.bad:      yield 50
-			.worse:    yield 51
-			.code |n|: yield n
-			.empty:    yield 52
+			.bad:         yield 50
+			.worse:       yield 51
+			.code |n|:    yield n
+			.info |info|: yield info.code + info.extra
+			.empty:       yield 52
 		}
 	}
 }
@@ -143,8 +150,15 @@ main func() i32 {
 			.inline_empty:        yield 80
 		}
 	}
+	p :: with_detail(3) catch |e| {
+		match e {
+			.code |value|: yield value
+			.info |info|:  yield info.code + info.extra
+			.empty:        yield 0
+		}
+	}
 
-	acc = acc + a + b + c + d + e + f + g + h + i + j + k + l + m + n + o
+	acc = acc + a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p
 	acc = acc + pick(.left)
 	r Right = .right
 	acc = acc + pick(r)
@@ -154,6 +168,6 @@ main func() i32 {
 	acc = acc + payload(empty)
 	acc = acc + payload(.a{9})
 
-	# 7 + 5 + 5 + 11 + 13 + 2 + 21 + 22 + 35 + 40 + 6 + 50 + 51 + 60 + 76 + 10 + 20 + 8 + 3 + 9 = 454
-	return acc - 454
+	# 7 + 5 + 5 + 11 + 13 + 2 + 21 + 22 + 35 + 40 + 6 + 50 + 51 + 60 + 76 + 17 + 10 + 20 + 8 + 3 + 9 = 471
+	return acc - 471
 }