mirror of
https://github.com/weloe/token-go.git
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38 lines
676 B
Go
38 lines
676 B
Go
package util
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import "fmt"
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func HasNil(arr []interface{}) bool {
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for _, elem := range arr {
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if elem == nil {
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return true
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}
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}
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return false
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}
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func HasStr(arr []string, str string) bool {
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for _, s := range arr {
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if s == str {
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return true
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}
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}
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return false
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}
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func InterfaceToBytes(data interface{}) ([]byte, error) {
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if b, ok := data.([]byte); ok {
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return b, nil
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}
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return nil, fmt.Errorf("unable to convert %T to []byte", data)
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}
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// AppendStr do not add repeated str.
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// If old slice has newStr, return directly, else append
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func AppendStr(old []string, newStr string) []string {
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if HasStr(old, newStr) {
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return old
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}
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return append(old, newStr)
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}
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