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doc: listToAttrs: document repeated keys

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Alex Ameen 2022-11-30 22:53:41 -06:00
parent 16b03f03af
commit ad46726546
1 changed files with 4 additions and 1 deletions
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5
src/libexpr/primops.cc
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@ -2420,12 +2420,15 @@ static RegisterPrimOp primop_listToAttrs({
Construct a set from a list specifying the names and values of each Construct a set from a list specifying the names and values of each
attribute. Each element of the list should be a set consisting of a attribute. Each element of the list should be a set consisting of a
string-valued attribute `name` specifying the name of the attribute, string-valued attribute `name` specifying the name of the attribute,
and an attribute `value` specifying its value. Example: and an attribute `value` specifying its value.
In case of duplicate occurrences of the same name, the first
takes precedence. Example:
```nix ```nix
builtins.listToAttrs builtins.listToAttrs
[ { name = "foo"; value = 123; } [ { name = "foo"; value = 123; }
{ name = "bar"; value = 456; } { name = "bar"; value = 456; }
{ name = "bar"; value = 420; }
] ]
``` ```