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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| package env | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestEnv(t *testing.T) { | ||
| assert.True(t, len(Env("any")) == 0) | ||
| envLock.RLock() | ||
| val, ok := envs["any"] | ||
| envLock.RUnlock() | ||
| assert.True(t, len(val) == 0) | ||
| assert.True(t, ok) | ||
| assert.True(t, len(Env("any")) == 0) | ||
| } | ||
|
|
||
| func TestEnvInt(t *testing.T) { | ||
| val, ok := EnvInt("any") | ||
| assert.Equal(t, 0, val) | ||
| assert.False(t, ok) | ||
| t.Setenv("anyInt", "10") | ||
| val, ok = EnvInt("anyInt") | ||
| assert.Equal(t, 10, val) | ||
| assert.True(t, ok) | ||
| t.Setenv("anyString", "a") | ||
| val, ok = EnvInt("anyString") | ||
| assert.Equal(t, 0, val) | ||
| assert.False(t, ok) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package lang | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "reflect" | ||
| "strconv" | ||
| ) | ||
|
|
||
| // Placeholder is a placeholder object that can be used globally. | ||
| var Placeholder PlaceholderType | ||
|
|
||
| type ( | ||
| // AnyType can be used to hold any type. | ||
| AnyType = any | ||
| // PlaceholderType represents a placeholder type. | ||
| PlaceholderType = struct{} | ||
| ) | ||
|
|
||
| // Repr returns the string representation of v. | ||
| func Repr(v any) string { | ||
| if v == nil { | ||
| return "" | ||
| } | ||
|
|
||
| // if func (v *Type) String() string, we can't use Elem() | ||
| switch vt := v.(type) { | ||
| case fmt.Stringer: | ||
| return vt.String() | ||
| } | ||
|
|
||
| val := reflect.ValueOf(v) | ||
| for val.Kind() == reflect.Ptr && !val.IsNil() { | ||
| val = val.Elem() | ||
| } | ||
|
|
||
| return reprOfValue(val) | ||
| } | ||
|
|
||
| func reprOfValue(val reflect.Value) string { | ||
| switch vt := val.Interface().(type) { | ||
| case bool: | ||
| return strconv.FormatBool(vt) | ||
| case error: | ||
| return vt.Error() | ||
| case float32: | ||
| return strconv.FormatFloat(float64(vt), 'f', -1, 32) | ||
| case float64: | ||
| return strconv.FormatFloat(vt, 'f', -1, 64) | ||
| case fmt.Stringer: | ||
| return vt.String() | ||
| case int: | ||
| return strconv.Itoa(vt) | ||
| case int8: | ||
| return strconv.Itoa(int(vt)) | ||
| case int16: | ||
| return strconv.Itoa(int(vt)) | ||
| case int32: | ||
| return strconv.Itoa(int(vt)) | ||
| case int64: | ||
| return strconv.FormatInt(vt, 10) | ||
| case string: | ||
| return vt | ||
| case uint: | ||
| return strconv.FormatUint(uint64(vt), 10) | ||
| case uint8: | ||
| return strconv.FormatUint(uint64(vt), 10) | ||
| case uint16: | ||
| return strconv.FormatUint(uint64(vt), 10) | ||
| case uint32: | ||
| return strconv.FormatUint(uint64(vt), 10) | ||
| case uint64: | ||
| return strconv.FormatUint(vt, 10) | ||
| case []byte: | ||
| return string(vt) | ||
| default: | ||
| return fmt.Sprint(val.Interface()) | ||
| } | ||
| } |
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