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Jonas Kastberg
iris
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322cdf37
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322cdf37
authored
Jun 04, 2019
by
Ralf Jung
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@@ -65,14 +65,15 @@ F := gmapURF K (agreeRF (natC * ▶ ∙))
When using ghost state in Iris, you have to make sure that the resource algebras
you need are actually available. Every Iris proof is carried out using a
universally quantified list
`Σ: gFunctors`
defining which resource algebras are
available. You can think of this as a list of resource algebras, though in
reality it is a list of locally contractive functors from COFEs to Cameras,
which are typically defined using the combinators for functors described above.
The
`Σ`
is the
*global*
list of resources that the entire proof can use. We
keep the
`Σ`
universally quantified to enable composition of proofs. The formal
side of this is described in §7.4 of
available. The
`Σ`
is the
*global*
list of resources that the entire proof can
use. We keep the
`Σ`
universally quantified to enable composition of proofs.
You can think of this as a list of resource algebras, though in reality it is a
list of locally contractive functors from COFEs to Cameras. This list is used
to define the parameter
`F`
of Iris mentioned in the previous section. The
formal side of this is described in §7.4 of
[
The Iris Documentation
](
http://plv.mpi-sws.org/iris/appendix-3.1.pdf
)
; here we
describe the Coq aspects of this approach.
describe the
user-side
Coq aspects of this approach.
The assumptions that an Iris proof makes are collected in a type class called
`somethingG`
. The most common kind of assumptions is
`inG`
, which says that a
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