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Merge pull request #9114 from fricklerhandwerk/lookup-path

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introduce lookup paths as a distinct language construct
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John Ericson 2023-10-09 11:28:40 -04:00 • committed by GitHub
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4 changed files with 35 additions and 10 deletions
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6
src/libexpr/primops.cc
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@ -1730,7 +1730,7 @@ static RegisterPrimOp primop_findFile(PrimOp {
If the suffix is found inside that directory, then the entry is a match;
the combined absolute path of the directory (now downloaded if need be) and the suffix is returned.
The syntax
[Lookup path](@docroot@/language/constructs/lookup-path.md) expressions can be [desugared](https://en.wikipedia.org/wiki/Syntactic_sugar) using this and [`builtins.nixPath`](@docroot@/language/builtin-constants.md#builtins-nixPath):
```nix
<nixpkgs>
@ -4396,9 +4396,9 @@ void EvalState::createBaseEnv()
addConstant("__nixPath", v, {
.type = nList,
.doc = R"(
The search path used to resolve angle bracket path lookups.
List of search path entries used to resolve [lookup paths](@docroot@/language/constructs/lookup-path.md).
Angle bracket expressions can be
Lookup path expressions can be
[desugared](https://en.wikipedia.org/wiki/Syntactic_sugar)
using this and
[`builtins.findFile`](./builtins.html#builtins-findFile):