whole-function comptime folding for zero-runtime value calls

std/testing/testing.hon

@@ -6,14 +6,18 @@ Error :: enum {
 }
 
 SourceLocation :: struct {
-	file   []u8
-	line   usize
+	file []u8
+	line usize
 	column usize
 }
 
 expect func(condition bool, location SourceLocation) void ! Error {
 	if !condition {
-		debug.print("{s}:{d}:{d}: expectation failed\n", {location.file, location.line, location.column})
+		debug.print("{s}:{d}:{d}: expectation failed\n", {
+			location.file,
+			location.line,
+			location.column,
+		})
 		return .expectation_failed
 	}
 }
@@ -26,23 +30,39 @@ expect_equal func($T type, expected, actual T, location SourceLocation) void ! E
 					try expect_equal(expected_value, actual_value, location)
 					return
 				}
-				debug.print("{s}:{d}:{d}: expected an optional value, found null\n", {location.file, location.line, location.column})
+				debug.print("{s}:{d}:{d}: expected an optional value, found null\n", {
+				    location.file,
+				    location.line,
+				    location.column,
+				})
 				return .expectation_failed
 			}
 			if actual |_| {
-				debug.print("{s}:{d}:{d}: expected null, found an optional value\n", {location.file, location.line, location.column})
+				debug.print("{s}:{d}:{d}: expected null, found an optional value\n", {
+				    location.file,
+				    location.line,
+				    location.column,
+				})
 				return .expectation_failed
 			}
 		}
 		.slice: if !mem.eql(expected, actual) {
-			debug.print("{s}:{d}:{d}: expected and actual slices differ\n", {location.file, location.line, location.column})
+			debug.print("{s}:{d}:{d}: expected and actual slices differ\n", {
+				location.file,
+				location.line,
+				location.column,
+			})
 			return .expectation_failed
 		}
-		else: {
-			if expected != actual {
-				debug.print("{s}:{d}:{d}: expected {}, found {}\n", {location.file, location.line, location.column, expected, actual})
-				return .expectation_failed
-			}
+		else: if expected != actual {
+			debug.print("{s}:{d}:{d}: expected {}, found {}\n", {
+				location.file,
+				location.line,
+				location.column,
+				expected,
+				actual,
+			})
+			return .expectation_failed
 		}
 	}
 }
@@ -53,10 +73,10 @@ expect_type func($Expected, $Actual type, _ Actual, location SourceLocation) voi
 
 run func(name []u8, callback *func() void ! Error) bool {
 	callback() catch |_| {
-		debug.print("{s} [failed]\n", {name,})
+		debug.print("{s}...[failed]\n", {name,})
 		return false
 	}
-	debug.print("{s} [ok]\n", {name,})
+	debug.print("{s}...[ok]\n", {name,})
 	return true
 }