add original source

2014-04-22 21:54:16 -04:00
parent f7a05be5e1
commit 6e45d14431
128 changed files with 5726 additions and 0 deletions
--- a/source/listing_4.16.cpp
+++ b/source/listing_4.16.cpp
@@ -0,0 +1,31 @@
+void atm::getting_pin()
+{
+    incoming.wait()
+        .handle<digit_pressed>(
+            [&](digit_pressed const& msg)
+            {
+                unsigned const pin_length=4;
+                pin+=msg.digit;
+                if(pin.length()==pin_length)
+                {
+                    bank.send(verify_pin(account,pin,incoming));
+                    state=&atm::verifying_pin;
+                }
+            }
+            )
+        .handle<clear_last_pressed>(
+            [&](clear_last_pressed const& msg)
+            {
+                if(!pin.empty())
+                {
+                    pin.resize(pin.length()-1);
+                }
+            }
+            )
+        .handle<cancel_pressed>(
+            [&](cancel_pressed const& msg)
+            {
+                state=&atm::done_processing;
+            }
+            );
+}