finished ch09

- update Argonaut dependency to use Native correctly

project.scala

@@ -3,6 +3,6 @@
 //> using nativeVersion 0.5.5
 //> using exclude "gatling/*"
 //> using options -explain-cyclic -Ydebug-cyclic
-//> using dep io.argonaut::argonaut:6.3.10
-//> using dep io.gatling:gatling-app:3.11.5
+//> using dep io.argonaut::argonaut::6.3.10
+//> using dep io.gatling:gatling-app:3.12.0
 // // > using dep biz.enef:slogging_2.13:0.6.2

src/main/resources/output.txt

@@ -0,0 +1,5 @@
+Failure(java.lang.NumberFormatException: For input string: "foo
+1
+2
+-4095
+")

src/main/scala/ch08/filePipe/examples.scala

@@ -10,14 +10,14 @@ import ch07.EventLoop
 
 @main
 def fileInputPipeExample: Unit =
-  val path = c"../data.txt" // replace this with your own path
+  val path = c"../src/main/resources/data.txt" // replace this with your own path
   val p = FilePipe(path)
     .map: d =>
       println(s"consumed $d")
       val parsed = Try(d.toInt)
       println(s"parsed: $parsed")
       parsed.toString // I changed this to make it type-check.
-    .addDestination(FileOutputPipe(c"./output.txt", false))
+    .addDestination(FileOutputPipe(c"../src/main/resources/output.txt", false))
 
   uv_run(ch07.EventLoop.loop, UV_RUN_DEFAULT)
   println("done")

src/main/scala/ch08/filePipe/main.scala

@@ -9,12 +9,13 @@ import collection.mutable
 import scala.util.{Try, Success, Failure}
 import concurrent.{Future, ExecutionContext, Promise}
 import ch07.LibUV.*, ch07.LibUVConstants.*
+
 @main
 def filePipeMain(args: String*): Unit =
   given ec: ExecutionContext = ch07.EventLoop
 
   println("hello!")
-  val p = FilePipe.apply(c"./data.text")
+  val p = FilePipe.apply(c"./data.txt")
   println("ok")
   var buffer = ""
   val done = p

src/main/scala/ch09/common/lmdb.scala

@@ -13,7 +13,7 @@ object LMDB:
     val envPtr = stackalloc[Env](1)
     check(mdb_env_create(envPtr), "mdb_env_create")
     val env = !envPtr
-    // Unix permissions for 0644 (read/write)
+    // Unix permissions for octal 0644 (read/write)
     check(mdb_env_open(env, path, 0, 420), "mdb_env_open")
     env
 
@@ -28,11 +28,11 @@ object LMDB:
     val database = !databasePtr
 
     val k = stackalloc[Key](1)
-    k._1 = string.strlen(key).toLong + 1.toLong
+    k._1 = string.strlen(key).toLong + 1
     k._2 = key
 
     val v = stackalloc[Value](1)
-    v._1 = string.strlen(value).toLong + 1.toLong
+    v._1 = string.strlen(value).toLong + 1
     v._2 = value
 
     check(mdb_put(transaction, database, k, v, 0), "mdb_put")
@@ -49,7 +49,7 @@ object LMDB:
     val database = !databasePtr
 
     val rKey = stackalloc[Key](1)
-    rKey._1 = string.strlen(key).toLong + 1.toLong
+    rKey._1 = string.strlen(key).toLong + 1
     rKey._2 = key
 
     val rValue = stackalloc[Value](1)
@@ -74,13 +74,11 @@ object LMDB:
     val valueString = value.asJson.nospaces
     putString(env, key, valueString)
 
-  def getString(env: Env, key: String): String =
-    Zone: // implicit z => // 0.5
-      val k = toCString(key)
-      fromCString(get(env, k))
+  def getString(env: Env, key: String): String = Zone:
+    val k = toCString(key)
+    fromCString(get(env, k))
 
-  def putString(env: Env, key: String, value: String): Unit =
-    Zone: // implicit z => // 0.5
-      val k = toCString(key)
-      val v = toCString(value)
-      put(env, k, v)
+  def putString(env: Env, key: String, value: String): Unit = Zone:
+    val k = toCString(key)
+    val v = toCString(value)
+    put(env, k, v)

src/main/scala/ch09/jsonSimple/main.scala

@@ -6,10 +6,9 @@ import scala.scalanative.libc.stdio
 import argonaut.{Argonaut, EncodeJson}, Argonaut.ToJsonIdentity
 
 @main
-def jsonSimple(args: String*): Unit =
+def jsonSimple: Unit =
   val l: List[String] = List("list", "of", "strings")
   println(l.asJson.spaces2)
-  // ...
 
   val m: Map[String, String] = Map("key1" -> "value1", "key2" -> "value2")
   printfJson(m)

src/main/scala/ch09/lmdbSimple/main.scala

@@ -12,7 +12,7 @@ val valueBuffer = stdlib.malloc(512) // 0.5
 
 @main
 def lmdbSimple: Unit =
-  val env = LMDB.open(c"./db")
+  val env = LMDB.open(c"../src/main/resources/db")
   stdio.printf(c"opened db %p\n", env)
   stdio.printf(c"> ")
 

src/main/scala/ch09/lmdbWeb/main.scala

@@ -15,8 +15,8 @@ val listPatn = raw"/list/([^/]+)".r
 val listOffsetPatn = raw"/list/([^/]+)?offset=([^/]+)".r // ??? unused
 
 @main
-def lmbdWebMain1(args: String*): Unit =
-  val env = LMDB.open(c"./db")
+def lmbdWebMain1: Unit =
+  val env = LMDB.open(c"../src/main/resources/db")
   Server.serveHttp(
     8080,
     request =>
@@ -46,8 +46,8 @@ def makeResponse[T](resp: T)(using enc: EncodeJson[T]): HttpResponse =
   HttpResponse(200, Map("Content-Length" -> size), respString)
 
 @main
-def lmbdWebMain2(args: String*): Unit =
-  val env = LMDB.open(c"./db")
+def lmbdWebMain2: Unit =
+  val env = LMDB.open(c"../src/main/resources/db")
   Server.serveHttp(
     8080,
     request =>