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Make nix::eval_cache::int_t more idiomatic

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Don’t explicitely give it a constructor, but use aggregate
initialization instead (also prevents having an implicit coertion, which
is probably good here)
This commit is contained in:
Théophane Hufschmitt 2022-05-16 16:36:21 +02:00
parent e53349dd6e
commit 43a2c13672
2 changed files with 4 additions and 4 deletions
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6
src/libexpr/eval-cache.cc
View file

@ -306,7 +306,7 @@ struct AttrDb
case AttrType::Bool:
return {{rowId, queryAttribute.getInt(2) != 0}};
case AttrType::Int:
return {{rowId, (int_t) queryAttribute.getInt(2)}};
return {{rowId, int_t{queryAttribute.getInt(2)}}};
case AttrType::ListOfStrings:
return {{rowId, tokenizeString<std::vector<std::string>>(queryAttribute.getStr(2), "\t")}};
case AttrType::Missing:
@ -447,7 +447,7 @@ Value & AttrCursor::forceValue()
else if (v.type() == nBool)
cachedValue = {root->db->setBool(getKey(), v.boolean), v.boolean};
else if (v.type() == nInt)
cachedValue = {root->db->setInt(getKey(), v.integer), v.integer};
cachedValue = {root->db->setInt(getKey(), v.integer), int_t{v.integer}};
else if (v.type() == nAttrs)
; // FIXME: do something?
else
@ -651,7 +651,7 @@ NixInt AttrCursor::getInt()
if (cachedValue && !std::get_if<placeholder_t>(&cachedValue->second)) {
if (auto i = std::get_if<int_t>(&cachedValue->second)) {
debug("using cached Integer attribute '%s'", getAttrPathStr());
return (*i).x;
return i->x;
} else
throw TypeError("'%s' is not an Integer", getAttrPathStr());
}

2
src/libexpr/eval-cache.hh
View file

@ -52,7 +52,7 @@ struct placeholder_t {};
struct missing_t {};
struct misc_t {};
struct failed_t {};
struct int_t { NixInt x; int_t(NixInt x) : x(x) {}; };
struct int_t { NixInt x; };
typedef uint64_t AttrId;
typedef std::pair<AttrId, Symbol> AttrKey;
typedef std::pair<std::string, NixStringContext> string_t;