Skip to content

New asTypeFromValue function #813

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
+4 −0
Open

New asTypeFromValue function #813

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions cardano-api/src/Cardano/Api/Internal/HasTypeProxy.hs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ module Cardano.Api.Internal.HasTypeProxy
( HasTypeProxy (AsType, proxyToAsType)
, Proxy (..)
, FromSomeType (..)
, asTypeFromValue
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

don't you have to export it from Cardano.Api as well?

)
where

Expand All @@ -22,5 +23,8 @@ class Typeable t => HasTypeProxy t where

proxyToAsType :: Proxy t -> AsType t

asTypeFromValue :: HasTypeProxy t => t -> AsType t
asTypeFromValue _ = proxyToAsType Proxy

Copy link
Contributor

@carbolymer carbolymer Apr 15, 2025 •
edited
Loading

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

This would be useful too:

Suggested change
asType :: HasTypeProxy t => AsType t
asType = proxyToAsType Proxy

data FromSomeType (c :: Type -> Constraint) b where
FromSomeType :: c a => AsType a -> (a -> b) -> FromSomeType c b
Loading