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use Maybe instead of null

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This commit is contained in:
Emile Clark-Boman 2025-12-14 18:55:26 +10:00
parent 8b36748b94
commit bc5fc341d5
1 changed files with 7 additions and 4 deletions
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11
nib/types/attrs.nix
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@ -95,10 +95,13 @@ with nib.types; rec {
# form: attrValueAt :: xs -> path -> value # form: attrValueAt :: xs -> path -> value
# given path as a list of strings, return that value of an # given path as a list of strings, return that value of an
# attribute set at that path # attribute set at that path
attrValueAt = foldl (l: r: attrValueAt = let
if l != null && hasAttr r l value = foldl (l: r:
then l.${r} if isAttrs l && hasAttr r l
else null); then l.${r}
else null);
in
nullableToMaybe value;
mergeAttrsList = list: let mergeAttrsList = list: let
# `binaryMerge start end` merges the elements at indices `index` of `list` such that `start <= index < end` # `binaryMerge start end` merges the elements at indices `index` of `list` such that `start <= index < end`