single argument panic

note that sortmain.go has been run through hg gofmt;
only the formatting of the day initializers changed.
i'm happy to revert that formatting if you'd prefer.

stop on error in doc/progs/run

R=r
CC=golang-dev
https://golang.org/cl/850041
diff --git a/test/235.go b/test/235.go
index 7507a3e..03143a6 100644
--- a/test/235.go
+++ b/test/235.go
@@ -6,34 +6,34 @@
 
 package main
 
-type T chan uint64;
+type T chan uint64
 
 func M(f uint64) (in, out T) {
-	in = make(T, 100);
-	out = make(T, 100);
+	in = make(T, 100)
+	out = make(T, 100)
 	go func(in, out T, f uint64) {
 		for {
-			out <- f * <-in;
+			out <- f*<-in
 		}
-	}(in, out, f);
-	return in, out;
+	}(in, out, f)
+	return in, out
 }
 
 
 func min(xs []uint64) uint64 {
-	m := xs[0];
+	m := xs[0]
 	for i := 1; i < len(xs); i++ {
 		if xs[i] < m {
-			m = xs[i];
+			m = xs[i]
 		}
 	}
-	return m;
+	return m
 }
 
 
 func main() {
-	F := []uint64{2, 3, 5};
-	var n = len(F);
+	F := []uint64{2, 3, 5}
+	var n = len(F)
 	OUT := []uint64{
 		2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36,
 		40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 125,
@@ -41,27 +41,32 @@
 		256, 270, 288, 300, 320, 324, 360, 375, 384, 400, 405, 432, 450, 480,
 		486, 500, 512, 540, 576, 600, 625, 640, 648, 675, 720, 729, 750, 768,
 		800, 810, 864, 900, 960, 972, 1000, 1024, 1080, 1125, 1152, 1200, 1215,
-		1250, 1280, 1296, 1350, 1440, 1458, 1500, 1536, 1600 };
+		1250, 1280, 1296, 1350, 1440, 1458, 1500, 1536, 1600}
 
-	x := uint64(1);
-	ins := make([]T, n);
-	outs := make([]T, n);
-	xs := make([]uint64, n);
+	x := uint64(1)
+	ins := make([]T, n)
+	outs := make([]T, n)
+	xs := make([]uint64, n)
 	for i := 0; i < n; i++ {
-		ins[i], outs[i] = M(F[i]);
-		xs[i] = x;
+		ins[i], outs[i] = M(F[i])
+		xs[i] = x
 	}
 
 	for i := 0; i < len(OUT); i++ {
 		for i := 0; i < n; i++ {
-			ins[i] <- x;
+			ins[i] <- x
 		}
 
 		for i := 0; i < n; i++ {
-			if xs[i] == x { xs[i] = <- outs[i]; }
+			if xs[i] == x {
+				xs[i] = <-outs[i]
+			}
 		}
 
-		x = min(xs);
-		if x != OUT[i] { panic("bad: ", x, " should be ", OUT[i]); }
+		x = min(xs)
+		if x != OUT[i] {
+			println("bad: ", x, " should be ", OUT[i])
+			panic("235")
+		}
 	}
 }