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Episode 14 - Richard Eisenberg on Dependent Types in Haskell

Episode 14 - Richard Eisenberg on Dependent Types in Haskell

The Haskell Cast · [email protected]

June 14, 20171h 5m

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Show Notes

  • 00:29 What are dependent type systems?
  • 03:38 applying dependent types to industry
  • 07:30 writing dependently typed programs in Haskell today
  • 09:07 GADTs (Generalized Algebraic Data Types)
  • 11:01 the future of dependent types in GHC
  • 13:40 teaching dependent types
  • 18:03 learning dependent types
  • 20:20 a future style of Haskell programming with dependent types
  • 21:21 Servant and opaleye as an example of type-level features
  • 23:22 tool support for dependently typed programming
  • 24:06 simple applications of dependent types for linear algebra
  • 26:25 Are dependent types worth it?
  • 28:47 complex type system errors
  • 33:07 LiquidHaskell
  • 36:26 safe zero-cost coercions
  • 41:20 total vs type safe
  • 48:36 working on GHC’s type system
  • 51:09 using GHC extensions in the GHC source code
  • 53:00 road to Haskell
  • 55:37 teaching Haskell to students
  • 1:03:00 a hopeful future for reliable software through dependent types