Dragonfly2

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/*
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 *     Copyright 2022 The Dragonfly Authors
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package strings
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import (
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	"strings"
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)
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// IsBlank determines whether the string is empty.
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func IsBlank(s string) bool {
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	return strings.TrimSpace(s) == ""
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}
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// Contains reports whether the string contains the element.
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func Contains(slice []string, ele string) bool {
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	for _, one := range slice {
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		if one == ele {
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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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// Remove the duplicate elements in the string slice.
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func Unique(slice []string) []string {
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	keys := make(map[string]bool)
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	result := []string{}
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	for _, entry := range slice {
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		if _, ok := keys[entry]; !ok {
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			keys[entry] = true
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			result = append(result, entry)
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		}
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	}
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	return result
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}
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