Skip to content
GitLab
Explore
Sign in
Register
Primary navigation
Search or go to…
Project
GHC
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Requirements
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Snippets
Locked files
Build
Pipelines
Jobs
Pipeline schedules
Test cases
Artifacts
Deploy
Releases
Package Registry
Container Registry
Model registry
Operate
Environments
Terraform modules
Monitor
Incidents
Analyze
Value stream analytics
Contributor analytics
CI/CD analytics
Repository analytics
Code review analytics
Issue analytics
Insights
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
Community forum
Contribute to GitLab
Provide feedback
Terms and privacy
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
Benjamin Maurer
GHC
Commits
a1ba5fe3
Commit
a1ba5fe3
authored
13 years ago
by
batterseapower
Browse files
Options
Downloads
Patches
Plain Diff
Cast things are cheap as well
parent
18494246
No related branches found
No related tags found
No related merge requests found
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
compiler/supercompile/Supercompile/Core/Syntax.hs
+1
-0
1 addition, 0 deletions
compiler/supercompile/Supercompile/Core/Syntax.hs
with
1 addition
and
0 deletions
compiler/supercompile/Supercompile/Core/Syntax.hs
+
1
−
0
View file @
a1ba5fe3
...
...
@@ -176,6 +176,7 @@ termIsCheap = isCheap . extract
isCheap
_
|
cALL_BY_NAME
=
True
-- A cunning hack. I think this is all that should be required...
isCheap
(
Var
_
)
=
True
isCheap
(
Value
_
)
=
True
isCheap
(
Cast
e
_
)
=
isCheap
(
extract
e
)
isCheap
(
Case
e
_
_
[]
)
=
isCheap
(
extract
e
)
-- NB: important for pushing down let-bound applications of ``error''
isCheap
_
=
False
...
...
This diff is collapsed.
Click to expand it.
Preview
0%
Loading
Try again
or
attach a new file
.
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Save comment
Cancel
Please
register
or
sign in
to comment