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Dumps collections as String
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| // 任意のコレクション型に文字列を返す dump メソッドを追加する。 | |
| private fun Any.dump(): String { | |
| if (this is Map<*, *>) { | |
| return dump() | |
| } | |
| if (this is List<*>) { | |
| return dump() | |
| } | |
| if (this is Collection<*>) { | |
| return dump() | |
| } | |
| return toString() | |
| } | |
| private fun <K,V> Map<K,V>.dump(): String { | |
| return map { (k, v) -> | |
| "$k:[${v?.dump()}]" | |
| }.joinToString("\n") | |
| } | |
| private fun <V> Collection<V>.dump(): String { | |
| return joinToString(",") | |
| } |
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