Merge pull request #699 from lzutao/fix-layout-table

Fix layout table rendering

Author: Centril

src/type-layout.md

@@ -34,22 +34,22 @@ alignment of the type respectively.
 
 The size of most primitives is given in this table.
 
-Type | `size_of::<Type>()`
-- | - | -
-bool | 1
-u8 | 1
-u16 | 2
-u32 | 4
-u64 | 8
-u128 | 16
-i8 | 1
-i16 | 2
-i32 | 4
-i64 | 8
-i128 | 16
-f32 | 4
-f64 | 8
-char | 4
+|Type | `size_of::<Type>()`|
+|--   |--                  |
+|bool | 1                  |
+|u8   | 1                  |
+|u16  | 2                  |
+|u32  | 4                  |
+|u64  | 8                  |
+|u128 | 16                 |
+|i8   | 1                  |
+|i16  | 2                  |
+|i32  | 4                  |
+|i64  | 8                  |
+|i128 | 16                 |
+|f32  | 4                  |
+|f64  | 8                  |
+|char | 4                  |
 
 `usize` and `isize` have a size big enough to contain every address on the
 target platform. For example, on a 32 bit target, this is 4 bytes and on a 64