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Dan Frumin
iriscoq
Commits
24de06c7
Commit
24de06c7
authored
Jul 19, 2016
by
Robbert Krebbers
Browse files
Write some comments.
parent
d5229693
Changes
1
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heap_lang/tactics.v
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24de06c7
...
...
@@ 2,6 +2,10 @@ From iris.heap_lang Require Export lang.
From
iris
.
prelude
Require
Import
fin_maps
.
Import
heap_lang
.
(
**
We
define
an
alternative
representation
of
expressions
in
which
the
embedding
of
values
and
closed
expressions
is
explicit
.
By
reification
of
expressions
into
this
type
we
can
implementation
substitution
,
closedness
checking
,
atomic
checking
,
and
conversion
into
values
,
by
computation
.
*
)
Module
W
.
Inductive
expr
:=

Val
(
v
:
val
)
...
...
@@ 110,6 +114,10 @@ Proof.
induction
e
;
naive_solver
eauto
using
is_closed_of_val
,
is_closed_weaken_nil
.
Qed
.
(
*
We
define
[
to_val
(
ClosedExpr
_
)]
to
be
[
None
]
since
[
ClosedExpr
]
constructors
are
only
generated
for
closed
expressions
of
which
we
know
nothing
about
apart
from
being
closed
.
Notice
that
the
reverse
implication
of
[
to_val_Some
]
thus
does
not
hold
.
*
)
Fixpoint
to_val
(
e
:
expr
)
:
option
val
:=
match
e
with

Val
v
=>
Some
v
...
...
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