本文整理汇总了Golang中fmt.Stringer类的典型用法代码示例。如果您正苦于以下问题:Golang Stringer类的具体用法?Golang Stringer怎么用?Golang Stringer使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Stringer类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: String
func String(s fmt.Stringer) string {
if reflect.ValueOf(s).IsNil() {
return ""
}
return s.String()
}
示例2: TestGraphSupportsDownCasting
func TestGraphSupportsDownCasting(t *testing.T) {
RegisterTestingT(t)
graph := inject.NewGraph()
var (
d fmt.Stringer
)
graph.Define(&d, inject.NewProvider(NewD))
graph.ResolveAll()
Expect(d).To(Equal(NewD()))
Expect(d.String()).To(Equal("&ImplD{}"))
expectedString := `&graph\{
definitions: \[
&definition\{
ptr: \*fmt\.Stringer=0x.*,
provider: &provider\{
constructor: func\(\) \*test\.ImplD,
argPtrs: \[\]
\},
value: <\*test\.ImplD Value>
\}
\]
\}`
Expect(graph.String()).To(MatchRegexp(expectedString))
}
示例3: TestInterfaces
func TestInterfaces(t *testing.T) {
db, err := bolt.Open("my4.db", 0600, nil)
if err != nil {
t.Error(err.Error())
}
defer os.Remove("my4.db")
defer db.Close()
s := NewStore(db, []byte("interface"))
var j fmt.Stringer = &MyType{"First", "Last"}
s.Put([]byte("test"), &j)
err = s.ForEach(func(str fmt.Stringer) {
if str.String() != "First Last" {
t.Errorf("unexpected string %s", str)
}
})
if err != nil {
t.Error(err.Error())
}
var i fmt.Stringer
err = s.Get([]byte("test"), &i)
if err != nil {
t.Error(err.Error())
} else {
if i.String() != "First Last" {
t.Errorf("unexpected string %s", i)
}
}
}
示例4: Insert
// Insert adds a new item to the hash map or, if the key already exists,
// replaces the current item with the new one.
func (pm *ParMap) Insert(item fmt.Stringer) {
key := item.String()
shard := pm.getShard(key)
shard.mutex.Lock()
shard.index[key] = item
shard.mutex.Unlock()
}
示例5: testStringMatch
func testStringMatch(t *testing.T, s fmt.Stringer, expected string) {
actual := strings.TrimSpace(s.String())
expected = strings.TrimSpace(expected)
if actual != expected {
t.Fatalf("Actual\n\n%s\n\nExpected:\n\n%s", actual, expected)
}
}
示例6: assert
func assert(t *testing.T, o fmt.Stringer, s string) {
if o.String() != s {
t.Log("Expected object to be resolved differently as a String:")
t.Logf("Object: %#v", o)
t.Logf("Expected: %q", s)
t.Fatalf("Got: %q", o.String())
}
}
示例7: AddWithFallback
func (v *ASTStringer) AddWithFallback(color string, what fmt.Stringer, fallback string) *ASTStringer {
if !isNil(what) {
v.AddStringColored(color, what.String())
} else {
v.AddStringColored(color, fallback)
}
return v
}
示例8: processLogMsg
func (cLogger *commonLogger) processLogMsg(level LogLevel, message fmt.Stringer, context LogContextInterface) {
defer func() {
if err := recover(); err != nil {
reportInternalError(fmt.Errorf("recovered from panic during message processing: %s", err))
}
}()
if cLogger.config.IsAllowed(level, context) {
cLogger.config.RootDispatcher.Dispatch(message.String(), level, context, reportInternalError)
}
}
示例9: Lookup
// Lookup finds the first node in the current scope by name.
func (s *Scope) Lookup(token fmt.Stringer) (ssa.Node, error) {
name := token.String()
if s.Empty() {
return nil, fmt.Errorf("can't find a node '%s' in an empty scope stack", name)
}
for _, symtab := range s.stack.list {
if symtab.contains(name) {
return symtab.get(name)
}
}
return nil, fmt.Errorf("'%s' not yet declared", name)
}
示例10: safeString
func safeString(str fmt.Stringer) (s string, ok bool) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(str); v.Kind() == reflect.Ptr && v.IsNil() {
s, ok = "null", false
} else {
panic(panicVal)
}
}
}()
s, ok = str.String(), true
return
}
示例11: safeString
func safeString(str fmt.Stringer) (s string) {
defer func() {
if panicVal := recover(); panicVal != nil {
if v := reflect.ValueOf(str); v.Kind() == reflect.Ptr && v.IsNil() {
s = "NULL"
} else {
panic(panicVal)
}
}
}()
s = str.String()
return
}
示例12: Global
// Global sets a node and its name in the global scope.
func (s *Scope) Global(token fmt.Stringer, n ssa.Node) error {
name := token.String()
symtab, err := s.stack.bottom()
if err != nil {
return err
}
if symtab.contains(name) {
return fmt.Errorf("'%s' already declared globally", name)
}
err = symtab.set(name, n)
if err != nil {
return err
}
return nil
}
示例13: processLogMsg
func (cLogger *commonLogger) processLogMsg(
level LogLevel,
message fmt.Stringer,
context logContextInterface) {
defer func() {
if err := recover(); err != nil {
fmt.Println(err)
}
}()
if cLogger.config.IsAllowed(level, context) {
cLogger.config.RootDispatcher.Dispatch(message.String(), level, context, reportInternalError)
}
}
示例14: Add
// Add adds a name to the topmost scope in the scope stack.
func (s *Scope) Add(token fmt.Stringer, n ssa.Node) error {
name := token.String()
if s.Contains(name) {
return fmt.Errorf("'%s' already declared", name)
}
symtab, err := s.stack.peek()
if err != nil {
return err
}
err = symtab.set(name, n)
if err != nil {
return err
}
return nil
}
示例15: TestNXTStringer
func TestNXTStringer(t *testing.T) {
name, devicePath := "testingbot", "/dev/tty-foobar"
var n fmt.Stringer
n = NewNXT(name, devicePath)
if n == nil {
t.Errorf("Calling NewNXT should not result in a nil NXT instance.")
return
}
expected, actual := fmt.Sprintf("NXT \"%s\": %s", name, devicePath), n.String()
if actual != expected {
t.Errorf("Expected NXT.String to return \"%s\", but got \"%s\" instead", expected, actual)
}
}