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return string_views from forceString*

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once a string has been forced we already have dynamic storage allocated for it,
so we can easily reuse that storage instead of copying.
This commit is contained in:
pennae 2022-01-21 14:44:00 +01:00
parent 0d7fae6a57
commit 41d70a2fc8
19 changed files with 94 additions and 87 deletions
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2
src/libexpr/attr-path.cc
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@ -121,7 +121,7 @@ Pos findPackageFilename(EvalState & state, Value & v, std::string what)
std::string filename(pos, 0, colon);
unsigned int lineno;
try {
lineno = std::stoi(std::string(pos, colon + 1));
lineno = std::stoi(std::string(pos, colon + 1, string::npos));
} catch (std::invalid_argument & e) {
throw ParseError("cannot parse line number '%s'", pos);
}