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add logging for unwrap operations

This commit is contained in:
kageru 2020-07-22 13:52:20 +02:00
parent 3838cde65e
commit 2b40e0578f
Signed by: kageru
GPG Key ID: 8282A2BEA4ADA3D2
1 changed files with 5 additions and 1 deletions
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src/main/kotlin/moe/kageru/kagebot/extensions/ArrowExtensions.kt
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@ -5,13 +5,17 @@ import arrow.core.Either
import arrow.core.Tuple3
import arrow.core.getOrElse
import arrow.typeclasses.Functor
import moe.kageru.kagebot.Log
fun <L, R> Either<L, R>.on(op: (R) -> Unit): Either<L, R> {
this.map { op(it) }
return this
}
fun <T> Either<*, T>.unwrap(): T = getOrElse { error("Attempted to unwrap Either.left") }
fun <T> Either<*, T>.unwrap(): T = getOrElse {
Log.warn("Attempted to unwrap $this")
error("Attempted to unwrap Either.left")
}
inline fun <A, B, C, A2, F> Tuple3<A, B, C>.mapFirst(AP: Functor<F>, op: (A) -> Kind<F, A2>) = let { (a, b, c) ->
AP.run { op(a).map { Tuple3(it, b, c) } }