[opam-commits] Passed: gares/opam-repository#32 (release-elpi-1.9.0 - 76918a7)

[Travis CI]

Build Update for gares/opam-repository
-------------------------------------

Build: #32
Status: Passed

Duration: 14 mins and 49 secs
Commit: 76918a7 (release-elpi-1.9.0)
Author: Enrico Tassi
Message: [new release] elpi (1.9.0)

CHANGES:

- Typing:
  - `typeabbrev` declarations are now taken into account and unfolded
    by the compiler. The type checker refolds abbreviations
    when printing error messages with the following caveat: when two type
    abbreviations can be refolded the last declared one wins.

- Compiler:
  - `@macro` are no more accepted in types, since `typeabbrev` provides the
    same functionality.
  - fix clash between builtin names and type names
  - `accumulate` is idempotent: accumulating the same file a second time
    has no effect.

- FFI:
  - built in predicate are allowed to not assign (not produce a value) for
    output and input-output arguments.
  - input-output arguments are forced to be `Conversion.t` of type `'a ioarg`,
    and recommended to wrap any nested type not able to represent variables
    in `ioarg`. Eg `int option` should be `int ioarg option ioarg`. In this
    way one can safely call these builtins with non-ground terms, such as
    `some _`, for example to assert the result is not `none` but without
    providing a ground term such as `some 3`.
  - `MLData` declarations for `OpaqueData` are no more named using a macro
    but rather using a type abbreviation. This can break user code. The fix
    is to substitutie `@myopaquetype` with `myopaquetype` everywhere.

- Stdlib:
  - `diagnostic` data type to be used as an `ioarg` for builtins that can fail
    with a relevant error message. On the ML side one can used `Elpi.Builtin.mkOK`
    and `Elpi.Builtin.mkERROR "msg"` to build its values.
  - `std.assert-ok!`, `std.forall-ok`, `std.do-ok!`, `std.lift-ok` and
    `std.while-ok-do!` commodity predicates.
  - All operators for `calc` (infix `_ is _`) now come with a type declaration.

View the changeset: https://github.com/gares/opam-repository/compare/a8bef00e66e8^...76918a78c443

View the full build log and details: https://travis-ci.org/gares/opam-repository/builds/633846743?utm_medium=notification&utm_source=email

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