Fix

packages/effect-lens/src/Lens.ts

@@ -82,7 +82,7 @@ extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
     readonly [LensTypeId]: LensTypeId = LensTypeId
     readonly [LensImplTypeId]: LensImplTypeId = LensImplTypeId
 
-    readonly steps: readonly LensStep<A, B, ER, EW, RR, RW, SourceER, SourceEW, SourceRR, SourceRW>[] = []
+    readonly steps: readonly LensStep<unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown, unknown>[] = []
 
     abstract readonly sourceGet: Effect.Effect<B, SourceER, SourceRR>
     abstract readonly sourceChanges: Stream.Stream<B, SourceER, SourceRR>
@@ -92,14 +92,14 @@ extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
     get get(): Effect.Effect<A, ER, RR> {
         let effect: Effect.Effect<unknown, unknown, unknown> = this.sourceGet
         for (const step of this.steps)
-            effect = step.transform(effect as never)
+            effect = step.transform(effect)
         return effect as Effect.Effect<A, ER, RR>
     }
 
     get changes(): Stream.Stream<A, ER, RR> {
         let stream: Stream.Stream<unknown, unknown, unknown> = this.sourceChanges
         for (const step of this.steps)
-            stream = step.transformStream(stream as never)
+            stream = step.transformStream(stream)
         return stream as Stream.Stream<A, ER, RR>
     }
 
@@ -115,7 +115,7 @@ extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
                 for (const step of this.steps)
                     current = Effect.flatMap(current, parent => {
                         parents.push(parent)
-                        return step.transform(Effect.succeed(parent) as never)
+                        return step.transform(Effect.succeed(parent))
                     })
 
                 return Effect.flatMap(current, a => Effect.flatMap(
@@ -128,7 +128,7 @@ extends Pipeable.Class() implements Lens<A, ER, EW, RR, RW> {
                             const step = this.steps[i]!
                             // biome-ignore lint/style/noNonNullAssertion: won't throw
                             const parent = parents[i]!
-                            rebuilt = step.update(rebuilt as never, parent as never)
+                            rebuilt = step.update(rebuilt, parent)
                         }
 
                         return Effect.as(