Index - B
| bit | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bitDefault | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| Bits | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bitSizeMaybe | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| BlockBuffering | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| BlockedIndefinitelyOnMVar | |
| 1 (Data Constructor) | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| 2 (Type/Class) | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| BlockedIndefinitelyOnSTM | |
| 1 (Data Constructor) | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| 2 (Type/Class) | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| Bool | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bool | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| Bounded | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bounds | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bracket | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bracketOnError | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| bracket_ | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| break | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| BufferMode | Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| buildTime | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| byteSwap16 | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| byteSwap32 | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System | 
| byteSwap64 | Hydrogen.Prelude, Hydrogen.Prelude.IO, Hydrogen.Prelude.System |