去切片时如何删除字段？ [重复]

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This question already has an answer here:

• Remove slice element within a for 1 answer
• How to remove element of struct array in loop in golang 4 answers
• Remove elements in slice 4 answers

var fields = []string{1,2,3,4,5,6,7,8,9}
for k, v := range fields {
    if v % 2 == 0 {
         fields = append(fields[:k], fields[k+1]...)
    }
}

• it will be panic because the k will be bigger than fields length .
• how to remove the right field quickly and use less memory ?

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