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strings.go
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/
strings.go
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// Copyright 2018 John Deng (hi.devops.io@gmail.com).
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package str
import (
"unicode"
"strings"
)
const EmptyString = ""
// UpperFirst upper case first character of specific string
func UpperFirst(str string) string {
return strings.Title(str)
}
// LowerFirst lower case first character of specific string
func LowerFirst(str string) string {
for i, v := range str {
return string(unicode.ToLower(v)) + str[i+1:]
}
return EmptyString
}
// StringInSlice check if specific string is in slice
func InSlice(a string, list []string) bool {
var retVal bool
for _, b := range list {
if b == a {
retVal = true
break
}
}
return retVal
}