Move util/deepprint{"" _test}.go into print package

This fully eliminates the util package.

Makefile

@@ -1,5 +1,5 @@
 EXE := elvish
-PKGS := edit eval parse util sys store errutil sysutil strutil
+PKGS := edit eval parse sys store errutil sysutil strutil print
 PKG_PATHS := $(addprefix ./,$(PKGS)) # go tools want an explicit ./
 PKG_COVERS := $(addprefix cover/,$(PKGS))
 

parse/parse_test.go

@@ -6,7 +6,7 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/elves/elvish/util"
+	"github.com/elves/elvish/print"
 )
 
 func compoundOfOnePrimary(p *Primary) *Compound {
@@ -197,7 +197,7 @@ func TestParse(t *testing.T) {
 	for i, tt := range parseTests {
 		out, err := Parse(fmt.Sprintf("<test %d>", i), tt.in)
 		if !reflect.DeepEqual(out, tt.wanted) || err != nil {
-			t.Errorf("Parse(*, %q) =>\n(%s, %v), want\n(%s, <nil>) (up to DeepEqual)", tt.in, util.DeepPrint(out), err, util.DeepPrint(tt.wanted))
+			t.Errorf("Parse(*, %q) =>\n(%s, %v), want\n(%s, <nil>) (up to DeepEqual)", tt.in, print.Deep(out), err, print.Deep(tt.wanted))
 		}
 	}
 }

print/deep.go

@@ -1,4 +1,4 @@
-package util
+package print
 
 import (
 	"bytes"
@@ -6,15 +6,15 @@ import (
 	"reflect"
 )
 
-// DeepPrint is like printing with the %#v formatter of fmt, but it prints
+// Deep is like printing with the %#v formatter of fmt, but it prints
 // pointer fields recursively.
-func DeepPrint(x interface{}) string {
+func Deep(x interface{}) string {
 	b := &bytes.Buffer{}
-	deepPrint(b, reflect.ValueOf(x))
+	deep(b, reflect.ValueOf(x))
 	return b.String()
 }
 
-func deepPrint(b *bytes.Buffer, v reflect.Value) {
+func deep(b *bytes.Buffer, v reflect.Value) {
 	i := v.Interface()
 	t := v.Type()
 
@@ -44,7 +44,7 @@ func deepPrint(b *bytes.Buffer, v reflect.Value) {
 				if i > 0 {
 					b.WriteString(", ")
 				}
-				deepPrint(b, v.Index(i))
+				deep(b, v.Index(i))
 			}
 		case reflect.Map:
 			keys := v.MapKeys()
@@ -52,9 +52,9 @@ func deepPrint(b *bytes.Buffer, v reflect.Value) {
 				if i > 0 {
 					b.WriteString(", ")
 				}
-				deepPrint(b, k)
+				deep(b, k)
 				b.WriteString(": ")
-				deepPrint(b, v.MapIndex(k))
+				deep(b, v.MapIndex(k))
 			}
 		case reflect.Struct:
 			for i := 0; i < t.NumField(); i++ {
@@ -63,16 +63,16 @@ func deepPrint(b *bytes.Buffer, v reflect.Value) {
 				}
 				b.WriteString(t.Field(i).Name)
 				b.WriteString(": ")
-				deepPrint(b, v.Field(i))
+				deep(b, v.Field(i))
 			}
 		}
 		b.WriteRune('}')
 	case reflect.Ptr:
 		b.WriteRune('&')
-		deepPrint(b, reflect.Indirect(v))
+		deep(b, reflect.Indirect(v))
 		return
 	case reflect.Interface:
-		deepPrint(b, v.Elem())
+		deep(b, v.Elem())
 		return
 	default:
 		fmt.Fprintf(b, "%#v", i)

print/deep_test.go

@@ -1,4 +1,4 @@
-package util
+package print
 
 import (
 	"testing"
@@ -27,7 +27,7 @@ func (g G) GoString() string {
 	return "<G>"
 }
 
-var deepPrintTests = []struct {
+var deepTests = []struct {
 	in     interface{}
 	wanted string
 }{
@@ -38,14 +38,14 @@ var deepPrintTests = []struct {
 	{[]int(nil), `nil`},
 	{(*int)(nil), `nil`},
 	{&S{42, "DON'T PANIC", &T{map[string]string{"foo": "bar"}}, G{}},
-		`&util.S{I: 42, S: "DON'T PANIC", Pt: &util.T{M: map[string]string{"foo": "bar"}}, G: <G>}`},
-	{[]interface{}{&U{42, "DON'T PANIC"}, 42, "DON'T PANIC"}, `[]interface {}{&util.U{I: 42, S: "DON'T PANIC"}, 42, "DON'T PANIC"}`},
+		`&print.S{I: 42, S: "DON'T PANIC", Pt: &print.T{M: map[string]string{"foo": "bar"}}, G: <G>}`},
+	{[]interface{}{&U{42, "DON'T PANIC"}, 42, "DON'T PANIC"}, `[]interface {}{&print.U{I: 42, S: "DON'T PANIC"}, 42, "DON'T PANIC"}`},
 }
 
-func TestDeepPrint(t *testing.T) {
-	for _, tt := range deepPrintTests {
-		if out := DeepPrint(tt.in); out != tt.wanted {
-			t.Errorf("GoPrint(%v) => %#q, want %#q", tt.in, out, tt.wanted)
+func TestDeep(t *testing.T) {
+	for _, tt := range deepTests {
+		if out := Deep(tt.in); out != tt.wanted {
+			t.Errorf("Deep(%v) => %#q, want %#q", tt.in, out, tt.wanted)
 		}
 	}
 }

util/util.go

@@ -1,2 +0,0 @@
-// Package util contains utility functions used by multiple packages of elvish.
-package util