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Listing 4.23 will not compile #32

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50b3164
`beg` / `begin` changed to it
ITHelpDec Apr 27, 2023
e7d1dfb
whitespace removal
ITHelpDec Apr 27, 2023
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10 changes: 5 additions & 5 deletions listings/listing_4.23.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3,21 +3,21 @@ std::experimental::future<FinalResult> process_data(
{
size_t const chunk_size=whatever;
std::vector<std::experimental::future<ChunkResult>> results;
for(auto begin=vec.begin(),end=vec.end();beg!=end;){
size_t const remaining_size=end-begin;
for(auto it=vec.begin(),end=vec.end();it!=end;){
size_t const remaining_size=end-it;
size_t const this_chunk_size=std::min(remaining_size,chunk_size);
results.push_back(
spawn_async(
process_chunk,begin,begin+this_chunk_size));
begin+=this_chunk_size;
process_chunk,it,it+this_chunk_size));
it+=this_chunk_size;
}
return std::experimental::when_all(
results.begin(),results.end()).then(
[](std::future<std::vector<
std::experimental::future<ChunkResult>>> ready_results)
{
std::vector<std::experimental::future<ChunkResult>>
all_results=ready_results .get();
all_results=ready_results.get();
std::vector<ChunkResult> v;
v.reserve(all_results.size());
for(auto& f: all_results)
Expand Down