Update to gobook@4fdc3c0a831c14c716c2c013e42268f6d21a9a13

Change-Id: I63623453205b84eba5680e27f68e81e99e7bbeb9

ch12/display/display_test.go

@@ -19,7 +19,7 @@ import (
 // which requires the // Output comment to be at the end
 // of the function.
 
-func ExampleExpr() {
+func Example_expr() {
 	e, _ := eval.Parse("sqrt(A / pi)")
 	Display("e", e)
 	// Output:
@@ -33,7 +33,7 @@ func ExampleExpr() {
 	// e.args[0].value.y.value = "pi"
 }
 
-func ExampleSlice() {
+func Example_slice() {
 	Display("slice", []*int{new(int), nil})
 	// Output:
 	// Display slice ([]*int):
@@ -41,7 +41,7 @@ func ExampleSlice() {
 	// slice[1] = nil
 }
 
-func ExampleNilInterface() {
+func Example_nilInterface() {
 	var w io.Writer
 	Display("w", w)
 	// Output:
@@ -49,7 +49,7 @@ func ExampleNilInterface() {
 	// w = invalid
 }
 
-func ExamplePtrToInterface() {
+func Example_ptrToInterface() {
 	var w io.Writer
 	Display("&w", &w)
 	// Output:
@@ -57,7 +57,7 @@ func ExamplePtrToInterface() {
 	// (*&w) = nil
 }
 
-func ExampleStruct() {
+func Example_struct() {
 	Display("x", struct{ x interface{} }{3})
 	// Output:
 	// Display x (struct { x interface {} }):
@@ -65,7 +65,7 @@ func ExampleStruct() {
 	// x.x.value = 3
 }
 
-func ExampleInterface() {
+func Example_interface() {
 	var i interface{} = 3
 	Display("i", i)
 	// Output:
@@ -73,7 +73,7 @@ func ExampleInterface() {
 	// i = 3
 }
 
-func ExamplePtrToInterface2() {
+func Example_ptrToInterface2() {
 	var i interface{} = 3
 	Display("&i", &i)
 	// Output:
@@ -82,7 +82,7 @@ func ExamplePtrToInterface2() {
 	// (*&i).value = 3
 }
 
-func ExampleArray() {
+func Example_array() {
 	Display("x", [1]interface{}{3})
 	// Output:
 	// Display x ([1]interface {}):
@@ -90,7 +90,7 @@ func ExampleArray() {
 	// x[0].value = 3
 }
 
-func ExampleMovie() {
+func Example_movie() {
 	//!+movie
 	type Movie struct {
 		Title, Subtitle string

ch13/equal/equal_test.go

@@ -93,7 +93,7 @@ func TestEqual(t *testing.T) {
 	}
 }
 
-func ExampleEqual() {
+func Example_equal() {
 	//!+
 	fmt.Println(Equal([]int{1, 2, 3}, []int{1, 2, 3}))        // "true"
 	fmt.Println(Equal([]string{"foo"}, []string{"bar"}))      // "false"
@@ -108,7 +108,7 @@ func ExampleEqual() {
 	// true
 }
 
-func ExampleEqualCycle() {
+func Example_equalCycle() {
 	//!+cycle
 	// Circular linked lists a -> b -> a and c -> c.
 	type link struct {

ch2/tempconv0/tempconv_test.go

@@ -5,7 +5,7 @@ package tempconv
 
 import "fmt"
 
-func Example1() {
+func Example_one() {
 	{
 		//!+arith
 		fmt.Printf("%g\n", BoilingC-FreezingC) // "100" °C
@@ -24,7 +24,7 @@ func Example1() {
 	// 180
 }
 
-func Example2() {
+func Example_two() {
 	//!+printf
 	c := FToC(212.0)
 	fmt.Println(c.String()) // "100°C"

ch4/treesort/sort_test.go

@@ -18,6 +18,6 @@ func TestSort(t *testing.T) {
 	}
 	treesort.Sort(data)
 	if !sort.IntsAreSorted(data) {
-		t.Errorf("not sorted: %s", data)
+		t.Errorf("not sorted: %v", data)
 	}
 }

ch6/intset/intset_test.go

@@ -5,7 +5,7 @@ package intset
 
 import "fmt"
 
-func Example1() {
+func Example_one() {
 	//!+main
 	var x, y IntSet
 	x.Add(1)
@@ -30,7 +30,7 @@ func Example1() {
 	// true false
 }
 
-func Example2() {
+func Example_two() {
 	var x IntSet
 	x.Add(1)
 	x.Add(144)

ch7/eval/eval_test.go

@@ -43,7 +43,7 @@ func TestEval(t *testing.T) {
 		got := fmt.Sprintf("%.6g", expr.Eval(test.env))
 		fmt.Printf("\t%v => %s\n", test.env, got)
 		if got != test.want {
-			t.Errorf("%s.Eval() in %s = %q, want %q\n",
+			t.Errorf("%s.Eval() in %v = %q, want %q\n",
 				test.expr, test.env, got, test.want)
 		}
 	}

ch7/eval/parse.go

@@ -130,7 +130,7 @@ func parsePrimary(lex *lexer) Expr {
 				lex.next() // consume ','
 			}
 			if lex.token != ')' {
-				msg := fmt.Sprintf("got %s, want ')'", lex.token)
+				msg := fmt.Sprintf("got %q, want ')'", lex.token)
 				panic(lexPanic(msg))
 			}
 		}