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Stephen Compall 664a0c0076
add Action to high-level trigger updateState (#7621) 
* add ActionState to the standard library

* use 1 ActionState, 1 get, 1 put in low-level trigger library

* introduce TriggerStateA for updateState

* fix tests and examples for new updateState signature

CHANGELOG_BEGIN
- [Triggers] The ``updateState`` function now returns a ``TriggerStateA``.  This
  is an action like ``TriggerA``, but doesn't permit emitting commands.  Instead
  of taking the state as an argument and returning a new state, you can
  manipulate the state with ``get``, ``put``, and ``modify``.  Any existing
  ``updateState`` can be ported by replacing ``s -> expr`` in the lambda
  expression with ``-> modify $ \s ->``, and then made to look nicer from there
  as desired.
  See `issue #7621 <https://github.com/digital-asset/daml/pull/7621>`__.
CHANGELOG_END

* some DAML docs for updateState and TriggerStateA
2020-10-09 13:56:24 -04:00
..
daml-extension Remove version header from vscode snippet (#7452) 2020-09-21 16:59:47 +02:00
daml-lf-ast fix comment (#7594) 2020-10-07 11:18:49 +00:00
daml-lf-proto DEL-8132 extract DAML LF haskell libraries (scripted) (#7246) 2020-09-01 12:09:26 +10:00
daml-lf-reader DEL-8132 extract DAML LF haskell libraries (scripted) (#7246) 2020-09-01 12:09:26 +10:00
daml-lf-tools Add TO_TEXT_CONTRACT_ID primitive (#7137) 2020-08-17 08:39:16 +00:00
daml-lf-verify Fix record update evaluation order. (#6590) 2020-07-03 11:25:44 +01:00
daml-licenses Connectify user-facing output (#7624) 2020-10-09 15:45:02 +02:00
damlc add Action to high-level trigger updateState (#7621) 2020-10-09 13:56:24 -04:00
ghcide Get ghcide from the new upstream repo (#2867) 2019-09-11 08:57:48 +02:00
hie-core Get ghcide from the new upstream repo (#2867) 2019-09-11 08:57:48 +02:00
lsp-tests Deprecate the "daml 1.2" version header. (#7513) 2020-09-29 13:14:59 +00:00
repl-service Speedy: group compiler parameters into a Config case class. (#7438) 2020-09-18 19:32:26 +02:00
scenario-service LF: enforce non-empty maintainer in contracts key. (#7597) 2020-10-08 14:59:41 +02:00
README.md open-sourcing daml 2019-04-04 09:33:38 +01:00

README.md

DAML Compiler

This directory contains several libraries used by and the executable for the DAML compiler.

Libraries

  • daml-lf-ast: The DAML-LF AST and type checker.