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5680ce1ee2
- particularly useful in these combinations:
1.
OCharStream buf;
// populate
ISpanStream is(buf.view());
// parse
2.
// read from file
ifile.getLine(str);
ISpanStream is(str);
// parse
These avoid making a copy of the character content, compared to
versions with stringstream:
OStringStream buf;
IStringStream is(buf.str());