Disciple Core Flow is a Domain Specific Language (DSL) for writing first order data flow programs. This package provides the language definition as a fragment of Disciple Core. It also provides an implementation of the lowering transform which converts data flow programs into imperative nested loop code. The repa-plugin package provides a GHC plugin that transforms GHC core programs gained from vanilla Haskell sources. Use this package if you just want to write and run real programs. Alternatively, Disciple Core Flow programs can be transformed directly via the ddc or ddci-core command line interfaces, but DDC itself doesn't provide full compilation to machine code. Use GHC and the repa-plugin for that.