contextual payload construction

examples/programs/errors/main.bro

@@ -42,7 +42,7 @@ via_try func(value i32) i32 ! BasicError {
 }
 
 with_detail func(value i32) i32 ! DetailError {
-	if (value == 0) return DetailError{ code = 5 }
+	if (value == 0) return .code{5}
 	if (value == 1) return .empty
 	return value
 }
@@ -96,6 +96,24 @@ payload func(value Box) i32 {
 	}
 }
 
+inline_enum func(value i32) i32 ! enum {
+	inline_bad
+	inline_worse
+} {
+	if (value == 0) return .inline_bad
+	if (value < 0) return .inline_worse
+	return value
+}
+
+inline_detail func(value i32) i32 ! union(enum) {
+	inline_code i32
+	inline_empty void
+} {
+	if (value == 0) return .inline_code{6}
+	if (value == 1) return .inline_empty
+	return value
+}
+
 main func() i32 {
 	acc i32 = 0
 
@@ -112,16 +130,30 @@ main func() i32 {
 	k :: via_widen(3) catch 99
 	l :: catch_widen(0)
 	m :: catch_widen(-1)
+	n :: inline_enum(0) catch |e| {
+		if (e == .inline_bad) {
+			yield 60
+		} else {
+			yield 61
+		}
+	}
+	o :: inline_detail(0) catch |e| {
+		match e {
+			.inline_code |value|: yield value + 70
+			.inline_empty:        yield 80
+		}
+	}
 
-	acc = acc + a + b + c + d + e + f + g + h + i + j + k + l + m
+	acc = acc + a + b + c + d + e + f + g + h + i + j + k + l + m + n + o
 	acc = acc + pick(.left)
 	r Right = .right
 	acc = acc + pick(r)
-	box BoxA = BoxA{ a = 8 }
+	box BoxA = .a{8}
 	acc = acc + payload(box)
 	empty BoxB = .b
 	acc = acc + payload(empty)
+	acc = acc + payload(.a{9})
 
-	# 7 + 5 + 5 + 11 + 13 + 2 + 21 + 22 + 35 + 40 + 6 + 50 + 51 + 10 + 20 + 8 + 3 = 309
-	return acc - 309
+	# 7 + 5 + 5 + 11 + 13 + 2 + 21 + 22 + 35 + 40 + 6 + 50 + 51 + 60 + 76 + 10 + 20 + 8 + 3 + 9 = 454
+	return acc - 454
 }