Allow dead icon code

 use mogwai::prelude::*;
 use super::NS;
 
+#[allow(dead_code)]
 pub(crate) fn discard_icon() -> ViewBuilder<Dom> {
     builder! {
         <svg xmlns=NS viewBox="10.3 3.8 76.2 88.7"

 use mogwai::prelude::*;
 use super::NS;
 
+#[allow(dead_code)]
 pub(crate) fn edit_icon() -> ViewBuilder<Dom> {
     builder! {
         <svg xmlns=NS viewBox="0 0 220.001 220.001"

+use mogwai::prelude::*;
+use super::NS;
+
+#[allow(dead_code)]
+pub(crate) fn hamburger_icon() -> ViewBuilder<Dom> {
+    builder! {
+        <svg xmlns=NS viewBox="0 -1 16 16"
+             width="1.5em" height="1.5em">
+            <path xmlns=NS
+                  d="M2 3 h12 a1 1 0 0 1 0 2
+                     H2 a1 1 0 1 1 0-2z m0 4 h12 a1 1 0 0 1 0 2
+                     H2 a1 1 0 1 1 0-2z m0 4 h12 a1 1 0 0 1 0 2
+                     H2 a1 1 0 0 1 0-2z"/>
+        </svg>
+    }
+}

@@ -2,10 +2,22 @@ const NS :&str = "http://www.w3.org/2000/svg";
 
 pub(crate) mod discard;
 pub(crate) mod edit;
+pub(crate) mod hamburger;
 pub(crate) mod save;
 pub(crate) mod select;
+pub(crate) mod undo;
 
+#[allow(unused_imports)]
 pub(crate) use discard::discard_icon;
+#[allow(unused_imports)]
 pub(crate) use edit::edit_icon;
+#[allow(unused_imports)]
+pub(crate) use hamburger::hamburger_icon;
+#[allow(unused_imports)]
 pub(crate) use save::save_icon;
+#[allow(unused_imports)]
 pub(crate) use select::select_icon;
+#[allow(unused_imports)]
+pub(crate) use undo::undo_icon;
+#[allow(unused_imports)]
+pub(crate) use undo::undo_point_icon;

 use mogwai::prelude::*;
 use super::NS;
 
+#[allow(dead_code)]
 pub(crate) fn save_icon() -> ViewBuilder<Dom> {
     builder! {
         <svg xmlns=NS viewBox="0 -1 32 32"

 use mogwai::prelude::*;
 use super::NS;
 
+#[allow(dead_code)]
 pub(crate) fn select_icon() -> ViewBuilder<Dom> {
     builder! {
         <svg xmlns=NS viewBox="0 -1 24 24"

+use mogwai::prelude::*;
+use super::NS;
+
+#[allow(dead_code)]
+pub(crate) fn undo_icon() -> ViewBuilder<Dom> {
+    builder! {
+        <svg xmlns=NS viewBox="0 0 24 24"
+             width="15em" height="15em">
+            <rect xmlns=NS x="0" fill="none" width="24" height="24"/>
+            <g xmlns=NS>
+                <path xmlns=NS
+                      d="M18.142 5.93
+                         C16.97 4.756 15.435 4.17 13.9 4.17
+                          s-3.072.586-4.244 1.757
+                         L6 9.585
+                         V6
+                         H4 v7 h7 v-2
+                         H7.414l3.657-3.657 
+                          c.756-.755 1.76-1.172 2.83-1.172 1.067 0 2.072.417
+                           2.827 1.173 1.56 1.56 1.56 4.097 0 5.657
+                          l-5.364 5.364 1.414 1.414 5.364-5.364
+                          c2.345-2.343 2.345-6.142.002-8.485z"/>
+            </g>
+        </svg>
+    }
+}
+
+#[allow(dead_code)]
+pub(crate) fn undo_point_icon() -> ViewBuilder<Dom> {
+    builder! {
+        <svg xmlns=NS viewBox="15 15 49 40"
+             width="1.5em" height="1.5em">
+            <path xmlns=NS fill="#000000" fill-opacity="1" stroke-width="0.2"
+                  stroke-linejoin="round"
+                  d="M 44.3333,31.6667
+                     L 30.0833,31.6667
+                     L 38,39.5833
+                     L 28.7309,39.5833
+                     L 17.4167,28.6649
+                     L 28.7309,17.4167
+                     L 38,17.4167
+                     L 30.0833,25.3333
+                     L 44.3333,25.3333
+                     C 53.0778,25.3333 60.1667,32.4222 60.1667,41.1667
+                     C 60.1667,49.9112 53.0778,57 44.3333,57
+                     L 39.5833,57L 39.5833,50.6667
+                     L 44.3333,50.6667
+                     C 49.58,50.6667 53.8333,46.4134 53.8333,41.1667
+                     C 53.8333,35.92 49.58,31.6667 44.3333,31.6667 Z
+                     M 34.8333,50.6667
+                     L 34.8333,57
+                     L 28.5,57
+                     L 28.5,50.6667
+                     L 34.8333,50.6667 Z "/>
+        </svg>
+    }
+}