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preety print a data class in kotlin

Vickyrules answered on April 5, 2024 Popularity 1/10 Helpfulness 1/10

answer preety print a data class in kotlin

preety print a data class in kotlin

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fun Any.prettyPrint(): String {

    var indentLevel = 0
    val indentWidth = 4

    fun padding() = "".padStart(indentLevel * indentWidth)

    val toString = toString()

    val stringBuilder = StringBuilder(toString.length)

    var i = 0
    while (i < toString.length) {
        when (val char = toString[i]) {
            '(', '[', '{' -> {
                indentLevel++
                stringBuilder.appendLine(char).append(padding())
            }
            ')', ']', '}' -> {
                indentLevel--
                stringBuilder.appendLine().append(padding()).append(char)
            }
            ',' -> {
                stringBuilder.appendLine(char).append(padding())
                // ignore space after comma as we have added a newline
                val nextChar = toString.getOrElse(i + 1) { char }
                if (nextChar == ' ') i++
            }
            else -> {
                stringBuilder.append(char)
            }
        }
        i++
    }

    return stringBuilder.toString()
}

Popularity 1/10 Helpfulness 1/10 Language whatever

Source: gist.github.com

Tags: data-class kotlin whatever

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Contributed on Apr 05 2024

Vickyrules

0 Answers Avg Quality 2/10

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preety print a data class in kotlin

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