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[cxx-interop] Workaround a deserialization error for CxxStdlib on Linux #77843

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merged 1 commit into from
Nov 27, 2024
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[cxx-interop] Workaround a deserialization error for CxxStdlib on Linux #77843

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9 changes: 9 additions & 0 deletions stdlib/public/Cxx/cxxshim/libcxxstdlibshim.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,21 @@

/// Used for std::string conformance to Swift.Hashable
typedef std::hash<std::string> __swift_interopHashOfString;
inline std::size_t __swift_interopComputeHashOfString(std::string str) {
return __swift_interopHashOfString()(str);
}

/// Used for std::u16string conformance to Swift.Hashable
typedef std::hash<std::u16string> __swift_interopHashOfU16String;
inline std::size_t __swift_interopComputeHashOfU16String(std::u16string str) {
return __swift_interopHashOfU16String()(str);
}

/// Used for std::u32string conformance to Swift.Hashable
typedef std::hash<std::u32string> __swift_interopHashOfU32String;
inline std::size_t __swift_interopComputeHashOfU32String(std::u32string str) {
return __swift_interopHashOfU32String()(str);
}

inline std::chrono::seconds __swift_interopMakeChronoSeconds(int64_t seconds) {
return std::chrono::seconds(seconds);
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6 changes: 3 additions & 3 deletions stdlib/public/Cxx/std/String.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,7 @@ extension std.string: Hashable {
@_alwaysEmitIntoClient
public func hash(into hasher: inout Hasher) {
// Call std::hash<std::string>::operator()
let cxxHash = __swift_interopHashOfString().callAsFunction(self)
let cxxHash = __swift_interopComputeHashOfString(self)
hasher.combine(cxxHash)
}
}
Expand All @@ -207,7 +207,7 @@ extension std.u16string: Hashable {
@_alwaysEmitIntoClient
public func hash(into hasher: inout Hasher) {
// Call std::hash<std::u16string>::operator()
let cxxHash = __swift_interopHashOfU16String().callAsFunction(self)
let cxxHash = __swift_interopComputeHashOfU16String(self)
hasher.combine(cxxHash)
}
}
Expand All @@ -216,7 +216,7 @@ extension std.u32string: Hashable {
@_alwaysEmitIntoClient
public func hash(into hasher: inout Hasher) {
// Call std::hash<std::u32string>::operator()
let cxxHash = __swift_interopHashOfU32String().callAsFunction(self)
let cxxHash = __swift_interopComputeHashOfU32String(self)
hasher.combine(cxxHash)
}
}
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