From 12b2de3d6830430c694dd91f4d345f6421604a88 Mon Sep 17 00:00:00 2001
From: Timothy Warren <twarren@nabancard.com>
Date: Mon, 11 Feb 2019 10:14:27 -0500
Subject: [PATCH] Add macro examples

---
 .idea/misc.xml                            |   2 +
 .idea/rust.iml                            |  10 ++
 .idea/workspace.xml                       | 210 +++++++++++++---------
 hello_macro/Cargo.toml                    |   7 +
 hello_macro/hello_macro_derive/Cargo.toml |  12 ++
 hello_macro/hello_macro_derive/src/lib.rs |  27 +++
 hello_macro/src/lib.rs                    |  20 +++
 pancakes/Cargo.toml                       |   9 +
 pancakes/src/main.rs                      |   9 +
 9 files changed, 221 insertions(+), 85 deletions(-)
 create mode 100644 hello_macro/Cargo.toml
 create mode 100644 hello_macro/hello_macro_derive/Cargo.toml
 create mode 100644 hello_macro/hello_macro_derive/src/lib.rs
 create mode 100644 hello_macro/src/lib.rs
 create mode 100644 pancakes/Cargo.toml
 create mode 100644 pancakes/src/main.rs

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 197e36a..c6c4293 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -41,6 +41,8 @@
     <cargoProject FILE="$PROJECT_DIR$/advanced_traits/Cargo.toml" />
     <cargoProject FILE="$PROJECT_DIR$/advanced_types/Cargo.toml" />
     <cargoProject FILE="$PROJECT_DIR$/advanced_functions/Cargo.toml" />
+    <cargoProject FILE="$PROJECT_DIR$/macros/Cargo.toml" />
+    <cargoProject FILE="$PROJECT_DIR$/pancakes/Cargo.toml" />
   </component>
   <component name="ComposerJsonPluginSettings">
     <unboundedVersionInspectionSettings>
diff --git a/.idea/rust.iml b/.idea/rust.iml
index 6566c66..e27f61d 100644
--- a/.idea/rust.iml
+++ b/.idea/rust.iml
@@ -165,6 +165,14 @@
       <sourceFolder url="file://$MODULE_DIR$/advanced_functions/examples" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/advanced_functions/tests" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/advanced_functions/benches" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/hello_macro/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/macros/examples" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/macros/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/macros/benches" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/pancakes/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/pancakes/examples" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/pancakes/tests" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/pancakes/benches" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/add/add-one/target" />
       <excludeFolder url="file://$MODULE_DIR$/add/adder/target" />
       <excludeFolder url="file://$MODULE_DIR$/adder/target" />
@@ -183,6 +191,7 @@
       <excludeFolder url="file://$MODULE_DIR$/generics/target" />
       <excludeFolder url="file://$MODULE_DIR$/guessing_game/target" />
       <excludeFolder url="file://$MODULE_DIR$/gui/target" />
+      <excludeFolder url="file://$MODULE_DIR$/hello_macro/target" />
       <excludeFolder url="file://$MODULE_DIR$/interior_mutability/target" />
       <excludeFolder url="file://$MODULE_DIR$/lifetimes/target" />
       <excludeFolder url="file://$MODULE_DIR$/loops/target" />
@@ -191,6 +200,7 @@
       <excludeFolder url="file://$MODULE_DIR$/modules/target" />
       <excludeFolder url="file://$MODULE_DIR$/mutex/target" />
       <excludeFolder url="file://$MODULE_DIR$/oop/target" />
+      <excludeFolder url="file://$MODULE_DIR$/pancakes/target" />
       <excludeFolder url="file://$MODULE_DIR$/pattern_matching/target" />
       <excludeFolder url="file://$MODULE_DIR$/rectangles/target" />
       <excludeFolder url="file://$MODULE_DIR$/reference_counting/target" />
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 3212679..7307ac7 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -14,23 +14,55 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/advanced_functions/src/main.rs">
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/pancakes/src/main.rs">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="544">
-              <caret line="34" column="25" selection-start-line="34" selection-start-column="25" selection-end-line="34" selection-end-column="25" />
+            <state relative-caret-position="144">
+              <caret line="9" lean-forward="true" selection-start-line="9" selection-end-line="9" />
               <folding>
-                <element signature="e#26#27#0" expanded="true" />
-                <element signature="e#38#39#0" expanded="true" />
-                <element signature="e#89#90#0" expanded="true" />
-                <element signature="e#112#113#0" expanded="true" />
-                <element signature="e#271#272#0" expanded="true" />
-                <element signature="e#291#292#0" expanded="true" />
+                <element signature="e#116#117#0" expanded="true" />
+                <element signature="e#147#148#0" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/hello_macro/src/lib.rs">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="288">
+              <caret line="18" column="5" selection-start-line="18" selection-start-column="5" selection-end-line="18" selection-end-column="5" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/hello_macro/hello_macro_derive/src/lib.rs">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="336">
+              <caret line="21" column="24" selection-start-line="21" selection-start-column="24" selection-end-line="21" selection-end-column="24" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/hello_macro/hello_macro_derive/Cargo.toml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="192">
+              <caret line="12" lean-forward="true" selection-start-line="12" selection-end-line="12" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/pancakes/Cargo.toml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="144">
+              <caret line="9" lean-forward="true" selection-start-line="9" selection-end-line="9" />
+            </state>
+          </provider>
+        </entry>
+      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -60,14 +92,6 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/errors/src/main.rs" />
-        <option value="$PROJECT_DIR$/.gitignore" />
-        <option value="$PROJECT_DIR$/largest_number/src/main.rs" />
-        <option value="$PROJECT_DIR$/generics/Cargo.toml" />
-        <option value="$PROJECT_DIR$/generics/src/trait.rs" />
-        <option value="$PROJECT_DIR$/generics/src/traits.rs" />
-        <option value="$PROJECT_DIR$/generics/src/main.rs" />
-        <option value="$PROJECT_DIR$/generics/src/point.rs" />
         <option value="$PROJECT_DIR$/generics/src/lib.rs" />
         <option value="$PROJECT_DIR$/lifetimes/src/main.rs" />
         <option value="$PROJECT_DIR$/adder/src/lib.rs" />
@@ -111,6 +135,14 @@
         <option value="$PROJECT_DIR$/advanced_traits/src/main.rs" />
         <option value="$PROJECT_DIR$/advanced_types/src/main.rs" />
         <option value="$PROJECT_DIR$/advanced_functions/src/main.rs" />
+        <option value="$PROJECT_DIR$/macros/Cargo.toml" />
+        <option value="$PROJECT_DIR$/macros/hello_macro_derive/Cargo.toml" />
+        <option value="$PROJECT_DIR$/macros/hello_macro_derive/src/lib.rs" />
+        <option value="$PROJECT_DIR$/macros/src/lib.rs" />
+        <option value="$PROJECT_DIR$/macros/src/main.rs" />
+        <option value="$PROJECT_DIR$/pancakes/src/main.rs" />
+        <option value="$PROJECT_DIR$/pancakes/Cargo.toml" />
+        <option value="$PROJECT_DIR$/hello_macro/hello_macro_derive/src/lib.rs" />
       </list>
     </option>
   </component>
@@ -167,14 +199,26 @@
             <path>
               <item name="rust" type="3d21c010:ScopeViewTreeModel$ProjectNode" />
               <item name="rust" type="2674bda8:ScopeViewTreeModel$GroupNode" />
-              <item name="advanced_functions" type="9f88c78c:ScopeViewTreeModel$FileNode" />
+              <item name="hello_macro" type="9f88c78c:ScopeViewTreeModel$FileNode" />
             </path>
             <path>
               <item name="rust" type="3d21c010:ScopeViewTreeModel$ProjectNode" />
               <item name="rust" type="2674bda8:ScopeViewTreeModel$GroupNode" />
-              <item name="advanced_functions" type="9f88c78c:ScopeViewTreeModel$FileNode" />
+              <item name="hello_macro" type="9f88c78c:ScopeViewTreeModel$FileNode" />
+              <item name="hello_macro_derive" type="9f88c78c:ScopeViewTreeModel$FileNode" />
+            </path>
+            <path>
+              <item name="rust" type="3d21c010:ScopeViewTreeModel$ProjectNode" />
+              <item name="rust" type="2674bda8:ScopeViewTreeModel$GroupNode" />
+              <item name="hello_macro" type="9f88c78c:ScopeViewTreeModel$FileNode" />
+              <item name="hello_macro_derive" type="9f88c78c:ScopeViewTreeModel$FileNode" />
               <item name="src" type="9f88c78c:ScopeViewTreeModel$FileNode" />
             </path>
+            <path>
+              <item name="rust" type="3d21c010:ScopeViewTreeModel$ProjectNode" />
+              <item name="rust" type="2674bda8:ScopeViewTreeModel$GroupNode" />
+              <item name="pancakes" type="9f88c78c:ScopeViewTreeModel$FileNode" />
+            </path>
           </expand>
           <select />
         </subPane>
@@ -183,7 +227,7 @@
   </component>
   <component name="PropertiesComponent">
     <property name="JavaScriptWeakerCompletionTypeGuess" value="true" />
-    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1549895652600" />
+    <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1549898035962" />
     <property name="javascript.nodejs.core.library.configured.version" value="7.1.0" />
     <property name="js.eslint.eslintPackage" value="$USER_HOME$/.yarn-config/global/node_modules/.bin/eslint" />
     <property name="js.eslint.nodeInterpreter" value="project" />
@@ -211,7 +255,7 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="Cargo Command.Run advanced_functions">
+  <component name="RunManager" selected="Cargo Command.Run pancakes">
     <configuration name="&lt;template&gt;" type="TestNG" default="true" selected="false">
       <option name="MAIN_CLASS_NAME" />
       <option name="VM_PARAMETERS" value="-ea" />
@@ -270,13 +314,13 @@
       <envs />
       <method v="2" />
     </configuration>
-    <configuration name="Test lib::tests" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
+    <configuration name="Run pancakes" type="CargoCommandRunConfiguration" factoryName="Cargo Command" temporary="true">
       <option name="channel" value="DEFAULT" />
-      <option name="command" value="test --package advanced_lifetimes --lib tests" />
+      <option name="command" value="run --package pancakes --bin pancakes" />
       <option name="allFeatures" value="false" />
       <option name="nocapture" value="false" />
       <option name="backtrace" value="SHORT" />
-      <option name="workingDirectory" value="file://$PROJECT_DIR$/advanced_lifetimes" />
+      <option name="workingDirectory" value="file://$PROJECT_DIR$/pancakes" />
       <envs />
       <method v="2" />
     </configuration>
@@ -289,11 +333,11 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="Cargo Command.Run pancakes" />
         <item itemvalue="Cargo Command.Run advanced_functions" />
         <item itemvalue="Cargo Command.Run advanced_types" />
         <item itemvalue="Cargo Command.Run advanced_traits" />
         <item itemvalue="Cargo Command.Run advanced_lifetimes" />
-        <item itemvalue="Cargo Command.Test lib::tests" />
       </list>
     </recent_temporary>
   </component>
@@ -333,8 +377,8 @@
     <frame x="1920" y="-438" width="1080" height="1897" extended-state="6" />
     <editor active="true" />
     <layout>
-      <window_info content_ui="combo" id="Project" order="0" sideWeight="0.49586156" visible="true" weight="0.2540132" />
-      <window_info id="Structure" order="1" sideWeight="0.50413847" side_tool="true" visible="true" weight="0.2540132" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" sideWeight="0.4957483" visible="true" weight="0.2540132" />
+      <window_info id="Structure" order="1" sideWeight="0.5042517" side_tool="true" visible="true" weight="0.2540132" />
       <window_info id="Image Layers" order="2" />
       <window_info id="Designer" order="3" />
       <window_info id="Capture Tool" order="4" />
@@ -342,7 +386,7 @@
       <window_info id="Cargo" order="6" sideWeight="0.49791494" weight="0.3286119" />
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" weight="0.32979318" />
-      <window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.2571269" />
+      <window_info anchor="bottom" id="Run" order="2" weight="0.2571269" />
       <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
       <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
       <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
@@ -350,7 +394,7 @@
       <window_info anchor="bottom" id="Docker" order="7" show_stripe_button="false" />
       <window_info anchor="bottom" id="Version Control" order="8" />
       <window_info anchor="bottom" id="Inspection Results" order="9" weight="0.32979318" />
-      <window_info anchor="bottom" id="Terminal" order="10" weight="0.34264952" />
+      <window_info anchor="bottom" id="Terminal" order="10" visible="true" weight="0.34264952" />
       <window_info anchor="bottom" id="Event Log" order="11" side_tool="true" />
       <window_info anchor="right" id="Commander" order="0" weight="0.4" />
       <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
@@ -364,59 +408,6 @@
     <option name="version" value="1" />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/modules/src/performance_group.rs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="96">
-          <caret line="6" column="1" selection-start-line="6" selection-start-column="1" selection-end-line="6" selection-end-column="1" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/modules/src/main.rs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="96">
-          <caret line="6" lean-forward="true" selection-start-line="6" selection-end-line="6" />
-          <folding>
-            <element signature="e#366#367#0" expanded="true" />
-            <element signature="e#390#391#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/guessing_game/.gitignore">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="32">
-          <caret line="2" column="5" selection-start-line="2" selection-start-column="5" selection-end-line="2" selection-end-column="5" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/errors/hello.txt">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/.gitignore">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="720">
-          <caret line="45" column="16" selection-start-line="45" selection-start-column="16" selection-end-line="45" selection-end-column="16" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/errors/src/main.rs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1024">
-          <caret line="64" column="1" lean-forward="true" selection-start-line="64" selection-start-column="1" selection-end-line="64" selection-end-column="1" />
-          <folding>
-            <element signature="e#285#286#0" expanded="true" />
-            <element signature="e#323#324#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/generics/Cargo.toml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="112">
-          <caret line="7" lean-forward="true" selection-start-line="7" selection-end-line="7" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/generics/src/lib.rs">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="128">
@@ -807,8 +798,8 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/advanced_functions/src/main.rs">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="544">
-          <caret line="34" column="25" selection-start-line="34" selection-start-column="25" selection-end-line="34" selection-end-column="25" />
+        <state relative-caret-position="608">
+          <caret line="38" selection-start-line="38" selection-end-line="38" />
           <folding>
             <element signature="e#26#27#0" expanded="true" />
             <element signature="e#38#39#0" expanded="true" />
@@ -820,5 +811,54 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/macros/src/main.rs">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/hello_macro/Cargo.toml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="112">
+          <caret line="7" lean-forward="true" selection-start-line="7" selection-end-line="7" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pancakes/Cargo.toml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="144">
+          <caret line="9" lean-forward="true" selection-start-line="9" selection-end-line="9" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/hello_macro/hello_macro_derive/Cargo.toml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="192">
+          <caret line="12" lean-forward="true" selection-start-line="12" selection-end-line="12" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pancakes/src/main.rs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="144">
+          <caret line="9" lean-forward="true" selection-start-line="9" selection-end-line="9" />
+          <folding>
+            <element signature="e#116#117#0" expanded="true" />
+            <element signature="e#147#148#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/hello_macro/src/lib.rs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="288">
+          <caret line="18" column="5" selection-start-line="18" selection-start-column="5" selection-end-line="18" selection-end-column="5" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/hello_macro/hello_macro_derive/src/lib.rs">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="336">
+          <caret line="21" column="24" selection-start-line="21" selection-start-column="24" selection-end-line="21" selection-end-column="24" />
+        </state>
+      </provider>
+    </entry>
   </component>
 </project>
\ No newline at end of file
diff --git a/hello_macro/Cargo.toml b/hello_macro/Cargo.toml
new file mode 100644
index 0000000..1624266
--- /dev/null
+++ b/hello_macro/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "hello_macro"
+version = "0.1.0"
+authors = ["Timothy Warren <twarren@nabancard.com>"]
+edition = "2018"
+
+[dependencies]
diff --git a/hello_macro/hello_macro_derive/Cargo.toml b/hello_macro/hello_macro_derive/Cargo.toml
new file mode 100644
index 0000000..8c86149
--- /dev/null
+++ b/hello_macro/hello_macro_derive/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "hello_macro_derive"
+version = "0.1.0"
+authors = ["Timothy Warren <twarren@nabancard.com>"]
+edition = "2018"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+syn = "0.14.4"
+quote = "0.6.3"
diff --git a/hello_macro/hello_macro_derive/src/lib.rs b/hello_macro/hello_macro_derive/src/lib.rs
new file mode 100644
index 0000000..478b442
--- /dev/null
+++ b/hello_macro/hello_macro_derive/src/lib.rs
@@ -0,0 +1,27 @@
+extern crate proc_macro;
+
+use crate::proc_macro::TokenStream;
+use quote::quote;
+use syn;
+
+#[proc_macro_derive(HelloMacro)]
+pub fn hello_macro_derive(input: TokenStream) -> TokenStream {
+    // Construct a representation of Rust code as a syntax tree
+    // that we can manipulate
+    let ast = syn::parse(input).unwrap();
+
+    // Build the trait implementation
+    impl_hello_macro(&ast)
+}
+
+fn impl_hello_macro(ast: &syn::DeriveInput) -> TokenStream {
+    let name = &ast.ident;
+    let gen = quote! (
+        impl HelloMacro for #name {
+            fn hello_macro() {
+                println!("Hello, Macro! My name is {}", stringify!(#name));
+            }
+        }
+    );
+    gen.into()
+}
diff --git a/hello_macro/src/lib.rs b/hello_macro/src/lib.rs
new file mode 100644
index 0000000..6341758
--- /dev/null
+++ b/hello_macro/src/lib.rs
@@ -0,0 +1,20 @@
+
+
+pub trait HelloMacro {
+    fn hello_macro();
+}
+
+/// Simplified version of the vec! macro
+/// This is an example of a declarative macro
+#[macro_export] // This makes the macro usable
+macro_rules! vec {
+    ( $( $x:expr ),* ) => { // This matches the argument list
+        {
+            let mut temp_vec = Vec::new();
+            $(
+                temp_vec.push($x);
+            )*
+            temp_vec
+        }
+    };
+}
diff --git a/pancakes/Cargo.toml b/pancakes/Cargo.toml
new file mode 100644
index 0000000..09e6d59
--- /dev/null
+++ b/pancakes/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "pancakes"
+version = "0.1.0"
+authors = ["Timothy Warren <twarren@nabancard.com>"]
+edition = "2018"
+
+[dependencies]
+hello_macro = { path = "../hello_macro" }
+hello_macro_derive = { path = "../hello_macro/hello_macro_derive" }
diff --git a/pancakes/src/main.rs b/pancakes/src/main.rs
new file mode 100644
index 0000000..468c30a
--- /dev/null
+++ b/pancakes/src/main.rs
@@ -0,0 +1,9 @@
+use hello_macro::HelloMacro;
+use hello_macro_derive::HelloMacro;
+
+#[derive(HelloMacro)]
+struct Pancakes;
+
+fn main() {
+    Pancakes::hello_macro();
+}