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add coalesce

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James Andariese 2022-10-17 10:41:57 -05:00
parent 48f393a2d6
commit 4d0a87386e
1 changed files with 7 additions and 0 deletions
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coalesce.nix Normal file
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with builtins;
let fn = y: vs:
if vs == [] then null else
if head vs != null then head vs else
y y (tail vs);
in
fn fn