Fixes to Chapter 9 code.

Author: dom96

Chapter9/configurator/configurator.nim

@@ -1,15 +1,15 @@
 import macros
 
 proc createRefType(ident: NimIdent, identDefs: seq[NimNode]): NimNode =
- result = newNimNode(nnkTypeSection).add(
- newNimNode(nnkTypeDef).add(
+ result = newTree(nnkTypeSection,
+ newTree(nnkTypeDef,
  newIdentNode(ident),
  newEmptyNode(),
- newNimNode(nnkRefTy).add(
- newNimNode(nnkObjectTy).add(
+ newTree(nnkRefTy,
+ newTree(nnkObjectTy,
  newEmptyNode(),
  newEmptyNode(),
- newNimNode(nnkRecList).add(
+ newTree(nnkRecList,
  identDefs
  )
  )
@@ -74,7 +74,7 @@ macro config*(typeName: untyped, fields: untyped): untyped =
 import json
 config MyAppConfig:
  address: string
- echo(123)
+ port: int
 
 var myConf = newMyAppConfig()
 myConf.load("myappconfig.cfg")