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Migrate declaration parsing to value semantics (#614)

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* Use Expression by value in FunctionDefinition
* Migrate choice declarations to value semantics
* Migrate Declaration parsing to value semantics
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Geoff Romer authored and GitHub committed 2021-06-30 13:09:12 -07:00
1 parent 7e70a0335e
commit fa5b9cd553
9 files changed
+90 -81
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executable_semantics/ast/declaration.cpp
+3 -3
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@@ -20,9 +20,9 @@ void StructDeclaration::Print() const {
void ChoiceDeclaration::Print() const {
std::cout << "choice " << name << " {" << std::endl;
for (auto& alternative : alternatives) {
std::cout << "alt " << alternative.first << " ";
PrintExp(alternative.second);
for (const auto& [name, signature] : alternatives) {
std::cout << "alt " << name << " ";
PrintExp(&signature);
std::cout << ";" << std::endl;
}
std::cout << "}" << std::endl;