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Derive lenses without prefix_record_projections

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This commit is contained in:
Madeleine Sydney 2024-06-27 19:51:31 -06:00
parent 253467ebae
commit 61acb58a22
1 changed files with 6 additions and 1 deletions
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7
src/Derive/Lens.idr
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@ -5,6 +5,11 @@ import public Language.Reflection.Util
%default total
toField : Name -> Name
toField (NS ns nm) = NS ns (toField nm)
toField (UN (Basic nm)) = UN (Field nm)
toField nm = nm
parameters (o : LensOptions)
lname : Name -> Name
lname n = UN $ Basic (o.fieldName $ nameStr n)
@ -17,7 +22,7 @@ parameters (o : LensOptions)
ldef : BoundArg 0 RegularNamed -> Decl
ldef (BA x _ _) =
let fld := argName x
let fld := toField $ argName x
nme := lname fld
u := update [ISetField [nameStr fld] `(y)] `(x)
in def nme [patClause (var nme) `(lens ~(var fld) $ \x,y => ~(u))]