1e55cc3 · rowtype-yoga/purescript-native

git.iko.soy/rowtype-yoga/purescript-native

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C++: a little extra map key optimization

1e55cc3Andy Arvanitis11 years ago

pcc/include/purescript.cc+9−2

@@ -257,8 +257,15 @@ auto any::extractValue(const any& a) -> const any& {

257auto any::operator[](const char rhs[]) const -> const any& {

258 const any& val = extractValue(*this);

259 assert(val.type == Type::Map);

260− for (any::map::const_iterator it = val.m->begin(), end = val.m->end(); it != end; ++it) {

260+ const any::map::const_iterator begin = val.m->begin();

261+ const any::map::const_iterator end = val.m->end();

262+ for (any::map::const_iterator it = begin; it != end; ++it) {

263+ if (it->first == rhs) {

264+ return it->second;

265+ }

266+ }

267+ for (any::map::const_iterator it = begin; it != end; ++it) {

261− if (it->first == rhs || strcmp(it->first, rhs) == 0) {

268+ if (strcmp(it->first, rhs) == 0) {

262 return it->second;

269 return it->second;

263 }

270 }

264 }

271 }