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libexpr: Use proxy ListView for all Value list accesses

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This also makes it possible to make `payload` field private
in the `ValueStorage` class template.
This commit is contained in:
Sergei Zimmerman 2025-07-02 21:57:02 +03:00
parent c39cc00404
commit e73fcf7b53
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16 changed files with 309 additions and 116 deletions
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2
src/libexpr-c/nix_api_value.cc
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@ -324,7 +324,7 @@ nix_value * nix_get_list_byidx(nix_c_context * context, const nix_value * value,
try {
auto & v = check_value_in(value);
assert(v.type() == nix::nList);
auto * p = v.listElems()[ix];
auto * p = v.listView()[ix];
nix_gc_incref(nullptr, p);
if (p != nullptr)
state->state.forceValue(*p, nix::noPos);