Index - I
| Infix | Flat.Class, Flat.Instances.Util, Flat | 
| InfixI | Flat.Class, Flat.Instances.Util, Flat | 
| Int | Flat.Types, Flat.Instances.Util | 
| Int16 | Flat.Types, Flat.Instances.Util | 
| Int32 | Flat.Types, Flat.Instances.Util | 
| Int64 | Flat.Types, Flat.Instances.Util | 
| Int8 | Flat.Types, Flat.Instances.Util | 
| isBigEndian | Flat.Endian | 
| isNewtype | Flat.Class, Flat.Instances.Util, Flat |