From 74119689619c24f5871056d13d07d56f69ad5f60 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Tue, 30 Mar 2010 10:34:57 -0700
Subject: 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
http://codereview.appspot.com/850041
---
 test/interface/convert.go  | 116 ++++++++++++++++++++++++---------------------
 test/interface/receiver.go |   3 +-
 2 files changed, 64 insertions(+), 55 deletions(-)

(limited to 'test/interface')

diff --git a/test/interface/convert.go b/test/interface/convert.go
index bc219c72f..7f429f703 100644
--- a/test/interface/convert.go
+++ b/test/interface/convert.go
@@ -9,21 +9,28 @@
 
 package main
 
-type Stringer interface { String() string }
-type StringLengther interface { String() string; Length() int }
-type Empty interface { }
+type Stringer interface {
+	String() string
+}
+type StringLengther interface {
+	String() string
+	Length() int
+}
+type Empty interface{}
 
 type T string
+
 func (t T) String() string {
-	return string(t);
+	return string(t)
 }
 func (t T) Length() int {
-	return len(t);
+	return len(t)
 }
 
 type U string
+
 func (u U) String() string {
-	return string(u);
+	return string(u)
 }
 
 var t = T("hello")
@@ -36,104 +43,105 @@ var ok bool
 
 func hello(s string) {
 	if s != "hello" {
-		panic("not hello: ", s);
+		println("not hello: ", s)
+		panic("fail")
 	}
 }
 
 func five(i int) {
 	if i != 5 {
-		panic("not 5: ", i);
+		println("not 5: ", i)
+		panic("fail")
 	}
 }
 
 func true(ok bool) {
 	if !ok {
-		panic("not true");
+		panic("not true")
 	}
 }
 
 func false(ok bool) {
 	if ok {
-		panic("not false");
+		panic("not false")
 	}
 }
 
 func main() {
 	// T2I
-	s = t;
-	hello(s.String());
+	s = t
+	hello(s.String())
 
 	// I2T
-	t = s.(T);
-	hello(t.String());
+	t = s.(T)
+	hello(t.String())
 
 	// T2E
-	e = t;
+	e = t
 
 	// E2T
-	t = e.(T);
-	hello(t.String());
+	t = e.(T)
+	hello(t.String())
 
 	// T2I again
-	sl = t;
-	hello(sl.String());
-	five(sl.Length());
+	sl = t
+	hello(sl.String())
+	five(sl.Length())
 
 	// I2I static
-	s = sl;
-	hello(s.String());
+	s = sl
+	hello(s.String())
 
 	// I2I dynamic
-	sl = s.(StringLengther);
-	hello(sl.String());
-	five(sl.Length());
+	sl = s.(StringLengther)
+	hello(sl.String())
+	five(sl.Length())
 
 	// I2E (and E2T)
-	e = s;
-	hello(e.(T).String());
+	e = s
+	hello(e.(T).String())
 
 	// E2I
-	s = e.(Stringer);
-	hello(s.String());
+	s = e.(Stringer)
+	hello(s.String())
 
 	// I2T2 true
-	t, ok = s.(T);
-	true(ok);
-	hello(t.String());
+	t, ok = s.(T)
+	true(ok)
+	hello(t.String())
 
 	// I2T2 false
-	_, ok = s.(U);
-	false(ok);
+	_, ok = s.(U)
+	false(ok)
 
 	// I2I2 true
-	sl, ok = s.(StringLengther);
-	true(ok);
-	hello(sl.String());
-	five(sl.Length());
+	sl, ok = s.(StringLengther)
+	true(ok)
+	hello(sl.String())
+	five(sl.Length())
 
 	// I2I2 false (and T2I)
-	s = u;
-	sl, ok = s.(StringLengther);
-	false(ok);
+	s = u
+	sl, ok = s.(StringLengther)
+	false(ok)
 
 	// E2T2 true
-	t, ok = e.(T);
-	true(ok);
-	hello(t.String());
+	t, ok = e.(T)
+	true(ok)
+	hello(t.String())
 
 	// E2T2 false
-	i, ok = e.(int);
-	false(ok);
+	i, ok = e.(int)
+	false(ok)
 
 	// E2I2 true
-	sl, ok = e.(StringLengther);
-	true(ok);
-	hello(sl.String());
-	five(sl.Length());
+	sl, ok = e.(StringLengther)
+	true(ok)
+	hello(sl.String())
+	five(sl.Length())
 
 	// E2I2 false (and T2E)
-	e = u;
-	sl, ok = e.(StringLengther);
-	false(ok);
+	e = u
+	sl, ok = e.(StringLengther)
+	false(ok)
 }
-
diff --git a/test/interface/receiver.go b/test/interface/receiver.go
index 59f3986d7..f74cecb2c 100644
--- a/test/interface/receiver.go
+++ b/test/interface/receiver.go
@@ -22,7 +22,8 @@ func (t T) V() {
 
 func (t *T) P() {
 	if *t != 42 {
-		panic(t, *t)
+		println(t, *t)
+		panic("fail")
 	}
 	np++
 }
-- 
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