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Make reading a tuple work with std::noskipws. Fixes #1920

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[SVN r62678]
This commit is contained in:
Steven Watanabe
2010-06-09 17:45:24 +00:00
parent d908a5d566
commit 052b3db77f
2 changed files with 11 additions and 0 deletions
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4
include/boost/tuple/tuple_io.hpp
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@ -384,6 +384,8 @@ extract_and_check_delimiter(
if (is.good() && c!=d) { if (is.good() && c!=d) {
is.setstate(std::ios::failbit); is.setstate(std::ios::failbit);
} }
} else {
is >> std::ws;
} }
return is; return is;
} }
@ -478,6 +480,8 @@ extract_and_check_delimiter(
if (is.good() && c!=d) { if (is.good() && c!=d) {
is.setstate(std::ios::failbit); is.setstate(std::ios::failbit);
} }
} else {
is >> std::ws;
} }
return is; return is;
} }

7
test/io_test.cpp
View File

@ -120,6 +120,13 @@ int test_main(int argc, char * argv[] ) {
is3 >> set_close(']'); is3 >> set_close(']');
BOOST_CHECK(bool(is3 >> ti2)); BOOST_CHECK(bool(is3 >> ti2));
// Make sure that whitespace between elements
// is skipped.
useThisIStringStream is4("(100 200 300)");
BOOST_CHECK(bool(is4 >> std::noskipws >> ti1));
BOOST_CHECK(ti1 == make_tuple(100, 200, 300));
// Note that strings are problematic: // Note that strings are problematic:
// writing a tuple on a stream and reading it back doesn't work in // writing a tuple on a stream and reading it back doesn't work in
// general. If this is wanted, some kind of a parseable string class // general. If this is wanted, some kind of a parseable string class