2 files changed, 4 insertions, 5 deletions
diff --git a/chapter15/src/main/java/com/seaofnodes/simple/Parser.java b/chapter15/src/main/java/com/seaofnodes/simple/Parser.java
index ec040b4f..5164fe2b 100644
--- a/chapter15/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter15/src/main/java/com/seaofnodes/simple/Parser.java
@@ -762,14 +762,14 @@ public class Parser {
         int fidx = base.find(name);
         if( fidx == -1 ) throw error("Accessing unknown field '" + name + "' from '" + ptr.str() + "'");
 
-        // Get field type and layout offset
-        Field f = base._fields[fidx];
+        // Get field type and layout offset from base type and field index fidx
+        Field f = base._fields[fidx];  // Field from field index
         Node off;
-        if( name.equals("[]") ) {
+        if( name.equals("[]") ) {      // If field is an array body
             // Array index math
             Node idx = require(parseExpression(),"]");
             off = new AddNode(con(base.aryBase()),new ShlNode(idx,con(base.aryScale())).peephole()).peephole();
-        } else {
+        } else {                       // Else normal struct field
             // Hardwired field offset
             off = con(base.offset(fidx));
         }
diff --git a/chapter15/src/main/java/com/seaofnodes/simple/node/MemOpNode.java b/chapter15/src/main/java/com/seaofnodes/simple/node/MemOpNode.java
index 7a25d498..4d441951 100644
--- a/chapter15/src/main/java/com/seaofnodes/simple/node/MemOpNode.java
+++ b/chapter15/src/main/java/com/seaofnodes/simple/node/MemOpNode.java
@@ -18,7 +18,6 @@ public abstract class MemOpNode extends Node {
         _name  = name;
         _alias = alias;
         _declaredType = glb;
-
     }
     public MemOpNode(String name, int alias, Type glb, Node mem, Node ptr, Node off, Node value) {
         this(name, alias, glb, mem, ptr, off);