kit/stringx/stringx.go

package stringx

import (
	"strings"
	"unicode"
)

func Ucfirst(str string) string {
	for i, v := range str {
		return string(unicode.ToUpper(v)) + str[i+1:]
	}
	return ""
}

func Lcfirst(str string) string {
	for i, v := range str {
		return string(unicode.ToLower(v)) + str[i+1:]
	}
	return ""
}
func IsFirstUpper(name string) bool {
	for a, b := range name {
		if a == 0 && string(b) == strings.ToUpper(string(b)) {
			return true
		}
		break
	}
	return false
}