Function use

src/main/java/field/utility/KotlinExtensions.kt:41–50

inline fun <R, T : Bracketable> T.use(b: (T) -> R): R {
    this.open()
    var r: R
    try {
        r = b(this)
    } finally {
        this.close()
    }
    return r
}

val Number.d: Double
    get() = this.toDouble()