[README][Chapter 3] generate code

Author: jauhien

README.in.md

@@ -1355,6 +1355,9 @@ attributes #0 = { "no-frame-pointer-elim"="false" }
 ; ModuleID = 'main'
 ```
 
+Full code for this chapter is available
+[here](https://github.com/jauhien/iron-kaleidoscope/tree/master/chapters/3).
+
 ## Extending Kaleidoscope: control flow
 
 ## Extending Kaleidoscope: user-defined operators

README.md

@@ -2476,6 +2476,9 @@ attributes #0 = { "no-frame-pointer-elim"="false" }
 ; ModuleID = 'main'
 ```
 
+Full code for this chapter is available
+[here](https://github.com/jauhien/iron-kaleidoscope/tree/master/chapters/3).
+
 ## Extending Kaleidoscope: control flow
 
 ## Extending Kaleidoscope: user-defined operators

chapters/3/Cargo.lock

@@ -0,0 +1,16 @@
+[package]
+
+name = "iron_kaleidoscope"
+version = "0.0.1"
+authors = ["Jauhien Piatlicki <jauhien@gentoo.org>"]
+
+[dependencies]
+docopt = "*"
+docopt_macros = "*"
+regex = "*"
+regex_macros = "*"
+rustc-serialize = "*"
+llvm-sys = "*"
+
+[dependencies.iron_llvm]
+git = "https://github.com/jauhien/iron-llvm.git"