package org.mariotaku.ktextension /** * Created by mariotaku on 16/7/30. */ fun String?.toLong(def: Long): Long { try { return this?.toLong() ?: def } catch (e: NumberFormatException) { return def } } fun String?.toInt(def: Int): Int { try { return this?.toInt() ?: def } catch (e: NumberFormatException) { return def } } fun String?.toDouble(def: Double): Double { try { return this?.toDouble() ?: def } catch (e: NumberFormatException) { return def } } fun Int.coerceInOr(range: ClosedRange, or: Int): Int { if (range.isEmpty()) return or return coerceIn(range) }