Control.Monad.Trans.ST

The ST Monad Transformer

data STT s m a

runSTT

fixSTT

Mutable references

newSTTRef

readSTTRef

writeSTTRef

Mutable arrays

newSTTArray

readSTTArray

writeSTTArray

freezeSTTArray

thawSTTArray

runSTTArray

Unsafe Operations

unsafeIOToSTT

unsafeSTToIO