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/func5.go b/test/func5.go
index 033aa0e..e27825c 100644
--- a/test/func5.go
+++ b/test/func5.go
@@ -7,13 +7,13 @@
 package main
 
 func caller(f func(int, int) int, a, b int, c chan int) {
-	c <- f(a,b)
+	c <- f(a, b)
 }
-	
+
 func gocall(f func(int, int) int, a, b int) int {
-	c := make(chan int);
-	go caller(f, a, b, c);
-	return <-c;
+	c := make(chan int)
+	go caller(f, a, b, c)
+	return <-c
 }
 
 func call(f func(int, int) int, a, b int) int {
@@ -30,7 +30,7 @@
 	return x + y
 }
 
-func fn() (func(int, int) int) {
+func fn() func(int, int) int {
 	return f
 }
 
@@ -40,50 +40,50 @@
 	c <- x+y
 }
 
-func fnc() (func(int, int, chan int)) {
+func fnc() func(int, int, chan int) {
 	return fc
 }
 
 func three(x int) {
 	if x != 3 {
-		panic("wrong val", x)
+		println("wrong val", x)
+		panic("fail")
 	}
 }
 
 var notmain func()
 
-func emptyresults() () {}
-func noresults() {}
+func emptyresults() {}
+func noresults()    {}
 
 var nothing func()
 
 func main() {
-	three(call(add, 1, 2));
-	three(call1(add, 1, 2));
-	f = add;
-	three(call(f, 1, 2));
-	three(call1(f, 1, 2));
-	three(call(fn(), 1, 2));
-	three(call1(fn(), 1, 2));
-	three(call(func(a,b int) int {return a+b}, 1, 2));
-	three(call1(func(a,b int) int {return a+b}, 1, 2));
+	three(call(add, 1, 2))
+	three(call1(add, 1, 2))
+	f = add
+	three(call(f, 1, 2))
+	three(call1(f, 1, 2))
+	three(call(fn(), 1, 2))
+	three(call1(fn(), 1, 2))
+	three(call(func(a, b int) int { return a + b }, 1, 2))
+	three(call1(func(a, b int) int { return a + b }, 1, 2))
 
-	fc = addc;
-	c := make(chan int);
-	go addc(1, 2, c);
-	three(<-c);
-	go fc(1, 2, c);
-	three(<-c);
-	go fnc()(1, 2, c);
-	three(<-c);
-	go func(a, b int, c chan int){c <- a+b}(1, 2, c);
-	three(<-c);
+	fc = addc
+	c := make(chan int)
+	go addc(1, 2, c)
+	three(<-c)
+	go fc(1, 2, c)
+	three(<-c)
+	go fnc()(1, 2, c)
+	three(<-c)
+	go func(a, b int, c chan int) { c <- a+b }(1, 2, c)
+	three(<-c)
 
-	emptyresults();
-	noresults();
-	nothing = emptyresults;
-	nothing();
-	nothing = noresults;
-	nothing();
+	emptyresults()
+	noresults()
+	nothing = emptyresults
+	nothing()
+	nothing = noresults
+	nothing()
 }
-