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felipecsl/unless.kt

Last active December 24, 2017 13:12
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Kotlin unless like Ruby just for fun
Raw
unless.kt
inline fun <T> unless(stmt: () -> Boolean, block: () -> T, noinline elseBlock: (() -> T)? = null) =
if (!stmt.invoke()) {
block()
} else {
elseBlock?.invoke()
}
// Use like:
unless({ foo == bar }, {
doSomething()
}, {
doSomethingElse()
})
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