services: review Effect.provide usage in examples

Author: devmatteini

packages/services/examples/db-instance-multiple.ts

@@ -4,6 +4,7 @@ import * as Collection from "effect-mongodb/Collection"
 import * as Db from "effect-mongodb/Db"
 import * as FindCursor from "effect-mongodb/FindCursor"
 import * as Effect from "effect/Effect"
+import * as Layer from "effect/Layer"
 import * as Schema from "effect/Schema"
 
 const Todo = Schema.Struct({
@@ -41,8 +42,9 @@ const ReplicaDbLive = DbInstance.layer(ReplicaDb, {
   client: { url: "mongodb://localhost:37017" }
 })
 
+const MainLive = Layer.mergeAll(MainDbLive, ReplicaDbLive)
+
 await program.pipe(
-  Effect.provide(MainDbLive),
-  Effect.provide(ReplicaDbLive),
+  Effect.provide(MainLive),
   Effect.runPromise
 )

packages/services/examples/layers.ts

@@ -6,6 +6,8 @@ import * as FindCursor from "effect-mongodb/FindCursor"
 import * as Effect from "effect/Effect"
 import * as Schema from "effect/Schema"
 
+import * as Layer from "effect/Layer"
+
 const Todo = Schema.Struct({
   userId: Schema.Number,
   id: Schema.Number,
@@ -31,8 +33,9 @@ const MyMongoClient = MongoClientService.Tag("MyMongoClient")
 const MyDbLive = DbService.layer(MyDb, MyMongoClient, "mydb")
 const MyMongoClientLive = MongoClientService.layer(MyMongoClient, "mongodb://localhost:27017")
 
+const MainLive = Layer.provide(MyDbLive, MyMongoClientLive)
+
 await program.pipe(
-  Effect.provide(MyDbLive),
-  Effect.provide(MyMongoClientLive),
+  Effect.provide(MainLive),
   Effect.runPromise
 )

packages/services/examples/multiple-mongodb-instances.ts

@@ -6,6 +6,8 @@ import * as FindCursor from "effect-mongodb/FindCursor"
 import * as Effect from "effect/Effect"
 import * as Schema from "effect/Schema"
 
+import * as Layer from "effect/Layer"
+
 const Todo = Schema.Struct({
   userId: Schema.Number,
   id: Schema.Number,
@@ -39,10 +41,12 @@ const ReplicaMongoClient = MongoClientService.Tag("ReplicaMongoClient")
 const ReplicaDbLive = DbService.layer(ReplicaDb, ReplicaMongoClient, "mydb")
 const ReplicaMongoClientLive = MongoClientService.layer(ReplicaMongoClient, "mongodb://localhost:37017")
 
+const MainLive = Layer.mergeAll(
+  Layer.provide(MainDbLive, MainMongoClientLive),
+  Layer.provide(ReplicaDbLive, ReplicaMongoClientLive)
+)
+
 await program.pipe(
-  Effect.provide(MainDbLive),
-  Effect.provide(MainMongoClientLive),
-  Effect.provide(ReplicaDbLive),
-  Effect.provide(ReplicaMongoClientLive),
+  Effect.provide(MainLive),
   Effect.runPromise
 )