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Lennard Gäher
Iris
Commits
17cbc8dd
Commit
17cbc8dd
authored
Feb 16, 2021
by
Ralf Jung
Browse files
name authors of highlighted features and release managers
parent
d3badbbf
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CHANGELOG.md
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17cbc8dd
...
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@@ 14,6 +14,7 @@ The highlights and most notable changes of this release are as follows:
"discarding" some part of the fraction in exchange for a persistent witness
that discarding has happened. This can be used to easily generalize fractional
permissions with support for persistently owning "any part" of the resource.
(by Simon Friis Vindum)
*
The new
`gmap_view`
RA provides convenient lemma for ghost ownership
of heaplike structures with an "authoritative" view. Thanks to
`dfrac`
, it
supports both exclusive (mutable) and persistent (immutable) ownership of
...
...
@@ 24,11 +25,12 @@ The highlights and most notable changes of this release are as follows:

`ghost_var`
provides a logiclevel abstraction of ghost variables: a mutable
"variable" with fractional ownership.

`mono_nat`
provides a "monotone counter" with persistent witnesses
representing a lower bound of the current counter value.
representing a lower bound of the current counter value.
(by Tej Chajed)

`gset_bij`
provides a monotonically growing partial bijection; this is
useful in particular when building binary logical relations for languages
with a heap.
*
HeapLang provides a persistent readonly pointsto assertion
`l ↦□ v`
.
(by Simon Friis Vindum)
*
We split Iris into multiple opam packages:
`coqiris`
no longer contains
HeapLang, which is now in a separate package
`coqirisheaplang`
. The two
packages
`coqirisdeprecated`
(for old modules that we eventually plan to
...
...
@@ 37,14 +39,14 @@ The highlights and most notable changes of this release are as follows:
of this release.
*
The proofmode now does a better job at picking reasonable names when moving
variables into the Coq context without a name being explicitly given by the
user. However, the exact variable names remain unspecified.
user. However, the exact variable names remain unspecified.
(by Tej Chajed)
Further details are given in the changelog below.
This release of Iris
received contributions by Arthur Azevedo de Amorim, Dan
Frumin, Enrico Tassi, Hai Dang, Michael Sammler, Paolo G. Giarrusso, Ralf Ju
ng,
Robbert Krebbers
, Rodolphe Lepigre, Simon Friis Vindum, Tej
Chajed, and Yusuke
Matsushita. Thanks a lot to everyone involved!
This release of Iris
was managed by Ralf Jung and Robbert Krebbers, with
contributions by Arthur Azevedo de Amorim, Dan Frumin, Enrico Tassi, Hai Da
ng,
Michael Sammler, Paolo G. Giarrusso
, Rodolphe Lepigre, Simon Friis Vindum, Tej
Chajed, and Yusuke
Matsushita. Thanks a lot to everyone involved!
**Changes in `algebra`:**
...
...
@@ 128,19 +130,6 @@ Matsushita. Thanks a lot to everyone involved!
*
Add lemmas for bigops of magic wands:
`big_sepL_wand`
,
`big_sepL2_wand`
,
`big_sepM_wand`
,
`big_sepM2_wand`
,
`big_sepS_wand`
,
`big_sepMS_wand`
.
*
Add notation
`¬ P`
for
`P → False`
to
`bi_scope`
.
*
Remove
`bi.tactics`
with tactics that predate the proofmode (and that have not
been working properly for quite some time).
*
Strengthen
`persistent_sep_dup`
to support propositions that are persistent
and either affine or absorbing.
*
Fix the statement of the lemma
`fupd_plainly_laterN`
; the old lemma was a
duplicate of
`fupd_plain_laterN`
.
*
Strengthen
`big_sepL2_app_inv`
by weakening a premise (it is sufficient for
one of the two pairs of lists to have equal length).
*
Rename
`equiv_entails`
→
`equiv_entails_1_1`
,
`equiv_entails_sym`
→
`equiv_entails_1_2`
, and
`equiv_spec`
→
`equiv_entails`
.
*
Remove the laws
`pure_forall_2 : (∀ a, ⌜ φ a ⌝) ⊢ ⌜ ∀ a, φ a ⌝`
from the BI
interface and factor it into a type class
`BiPureForall`
.
*
Add
`fupd_mask_intro`
which can be conveniently
`iApply`
ed to goals of the
form
`={E1,E2}=>`
to get rid of the
`fupd`
in the goal if
`E2 ⊆ E1`
. The
lemma
`fupd_mask_weaken Enew`
can be
`iApply`
ed to shrink the first mask to
...
...
@@ 154,6 +143,18 @@ Matsushita. Thanks a lot to everyone involved!
`bi_fupd_mixin_fupd_intro_mask`
to
`bi_fupd_mixin_fupd_mask_subseteq`
and
weaken the lemma to be specifically about
`emp`
(the stronger version can be
derived).
*
Remove
`bi.tactics`
with tactics that predate the proofmode (and that have not
been working properly for quite some time).
*
Strengthen
`persistent_sep_dup`
to support propositions that are persistent
and either affine or absorbing.
*
Fix the statement of the lemma
`fupd_plainly_laterN`
; the old lemma was a
duplicate of
`fupd_plain_laterN`
.
*
Strengthen
`big_sepL2_app_inv`
by weakening a premise (it is sufficient for
one of the two pairs of lists to have equal length).
*
Rename
`equiv_entails`
→
`equiv_entails_1_1`
,
`equiv_entails_sym`
→
`equiv_entails_1_2`
, and
`equiv_spec`
→
`equiv_entails`
.
*
Remove the laws
`pure_forall_2 : (∀ a, ⌜ φ a ⌝) ⊢ ⌜ ∀ a, φ a ⌝`
from the BI
interface and factor it into a type class
`BiPureForall`
.
**Changes in `proofmode`:**
...
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