Add Section 02 12: Summary of the basic types.

src/FPinFSharp.Exercises/Chapter_02/Section_02_12.fs

@@ -0,0 +1,36 @@
+namespace FPinFSharp.Exercises.Chapter_02
+
+// 2.12 Summary of the basic types
+module Section_02_12 =
+
+    let getChar () : char = 'c'
+
+    let getByte isHex : byte =
+        match isHex with
+        | true  -> 0xFFuy
+        | false -> 255uy
+
+    let getSByte isHex : sbyte =
+        match isHex with
+        | true  -> -0x80y
+        | false -> 127y
+
+    let getInt16 isHex : int16 =
+        match isHex with
+        | true  -> -0x8000s
+        | false -> 32767s
+
+    let getUInt16 isHex : uint16 =
+        match isHex with
+        | true  -> 0xFFFFus
+        | false -> 65535us
+
+    let getInt32 isHex : int32 =
+        match isHex with
+        | true  -> -0x80000000
+        | false -> 2147483647
+
+    let getUInt32 isHex : uint32 =
+        match isHex with
+        | true  -> 0xFFFFFFFFu
+        | false -> 4294967295u

src/FPinFSharp.Exercises/FPinFSharp.Exercises.fsproj

@@ -29,6 +29,7 @@
     <Compile Include="Chapter_02\Section_02_09.fs" />
     <Compile Include="Chapter_02\Section_02_10.fs" />
     <Compile Include="Chapter_02\Section_02_11.fs" />
+    <Compile Include="Chapter_02\Section_02_12.fs" />
     <Content Include="Chapter_03\Description.md" />
   </ItemGroup>