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-rw-r--r--coroutine-utils/src/main/kotlin/dev/msfjarvis/aps/util/coroutines/RunSuspendCatching.kt48
1 files changed, 48 insertions, 0 deletions
diff --git a/coroutine-utils/src/main/kotlin/dev/msfjarvis/aps/util/coroutines/RunSuspendCatching.kt b/coroutine-utils/src/main/kotlin/dev/msfjarvis/aps/util/coroutines/RunSuspendCatching.kt
new file mode 100644
index 00000000..7e5b906c
--- /dev/null
+++ b/coroutine-utils/src/main/kotlin/dev/msfjarvis/aps/util/coroutines/RunSuspendCatching.kt
@@ -0,0 +1,48 @@
+@file:OptIn(ExperimentalContracts::class)
+@file:Suppress("RedundantSuspendModifier")
+
+package dev.msfjarvis.aps.util.coroutines
+
+import com.github.michaelbull.result.Err
+import com.github.michaelbull.result.Ok
+import com.github.michaelbull.result.Result
+import kotlin.contracts.ExperimentalContracts
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+import kotlinx.coroutines.CancellationException
+
+/**
+ * Calls the specified function [block] with [this] value as its receiver and returns its
+ * encapsulated result if invocation was successful, catching any [Throwable] except
+ * [CancellationException] that was thrown from the [block] function execution and encapsulating it
+ * as a failure.
+ */
+public suspend inline fun <V> runSuspendCatching(block: () -> V): Result<V, Throwable> {
+ contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+
+ return try {
+ Ok(block())
+ } catch (e: Throwable) {
+ if (e is CancellationException) throw e
+ Err(e)
+ }
+}
+
+/**
+ * Calls the specified function [block] with [this] value as its receiver and returns its
+ * encapsulated result if invocation was successful, catching any [Throwable] except
+ * [CancellationException] that was thrown from the [block] function execution and encapsulating it
+ * as a failure.
+ */
+public suspend inline infix fun <T, V> T.runSuspendCatching(
+ block: T.() -> V
+): Result<V, Throwable> {
+ contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) }
+
+ return try {
+ Ok(block())
+ } catch (e: Throwable) {
+ if (e is CancellationException) throw e
+ Err(e)
+ }
+}