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lib: add applyPrefixToAttrs

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Gaetan Lepage 2024-12-17 21:18:57 +01:00 • committed by nix-infra-bot
parent e24e40e5f1
commit 1d50fa4f63
4 changed files with 30 additions and 1 deletions
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17
lib/utils.nix
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@ -20,6 +20,23 @@ rec {
"__empty" = null;
};
/**
Add a prefix to the keys of an attrs.
# Example
```nix
applyPrefixToAttrs "prefix_" { foo = 1; bar = 2; }
=> { prefix_foo = 1; prefix_bar = 2; }
```
# Type
```
applyPrefixToAttrs :: String -> AttrSet -> AttrSet
```
*/
applyPrefixToAttrs = prefix: lib.mapAttrs' (n: lib.nameValuePair (prefix + n));
/**
Turn all the keys of an attrs into raw lua.