# 26 Monad Transformers

## 26.3 EitherT

see [src/EitherT.hs](./src/EitherT.hs)

## 26.5 StateT

see [src/StateT.hs](./src/StateT.hs)

## 26.8 Wrap it up

see [src/WrapItUp.hs](./src/WrapItUp.hs)

## 26.9 Exercises: Lift More

1. see [src/EitherT.hs](./src/EitherT.hs)
2. see [src/StateT.hs](./src/StateT.hs)

## 26.10 Exercises: Some Instances

1. see [src/MaybeT.hs](./src/MaybeT.hs)
2. see [src/ReaderT.hs](./src/ReaderT.hs)
3. see [src/StateT.hs](./src/StateT.hs)

## 26.12 Hypothetical Exercise

see [src/Hypo.hs](./src/Hypo.hs)

## 26.14 Chapter Exercises

### Write the code

see [src/WriteTheCode.hs](./src/WriteTheCode.hs)

### Fix the code

see [src/FixTheCode.hs](./src/FixTheCode.hs)

### Hit counter

see [hit-counter/Main.hs](./hit-counter/Main.hs)

### Morra

see [morra/src/Morra.hs](./morra/src/Morra.hs)