Full source: https://gist.github.com/mrange/aa9e0898492b6d384dd839bc4a2f96a1
Option<_> is great for ROP (Railway Oriented Programming) but we get no info on what went wrong (the failure value is None which carries no info).
With the introduction F# 4.1 we got Result<_, _> a "smarter" Option<_> as it allows us to pass a failure value.
However, when one inspects the signature of Result.bind one sees a potential issue for ROP:
| import io.kotest.core.config.AbstractProjectConfig | |
| import io.kotest.core.spec.IsolationMode | |
| import io.kotest.core.spec.style.ShouldSpec | |
| import kotlinx.coroutines.delay | |
| import java.time.LocalDateTime | |
| import kotlin.time.ExperimentalTime | |
| import kotlin.time.TimeMark | |
| import kotlin.time.TimeSource | |
| @OptIn(ExperimentalTime::class) |
| diff --git a/kotest-assertions/kotest-assertions-core/src/jvmTest/kotlin/com/sksamuel/kotest/matchers/collections/ShouldContainExactlyTest.kt b/kotest-assertions/kotest-assertions-core/src/jvmTest/kotlin/com/sksamuel/kotest/matchers | |
| /collections/ShouldContainExactlyTest.kt | |
| index 7d574fb1..d917a919 100644 | |
| --- a/kotest-assertions/kotest-assertions-core/src/jvmTest/kotlin/com/sksamuel/kotest/matchers/collections/ShouldContainExactlyTest.kt | |
| +++ b/kotest-assertions/kotest-assertions-core/src/jvmTest/kotlin/com/sksamuel/kotest/matchers/collections/ShouldContainExactlyTest.kt | |
| @@ -12,9 +12,12 @@ import io.kotest.matchers.should | |
| import io.kotest.matchers.shouldBe | |
| import io.kotest.matchers.shouldNot | |
| import io.kotest.matchers.throwable.shouldHaveMessage | |
| +import java.io.File |