(autosprintf.info.gz) Introduction
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(autosprintf.info.gz) Class autosprintf
1 Introduction
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This package makes the C formatted output routines (`fprintf' et al.)
usable in C++ programs, for use with the `<string>' strings and the
`<iostream>' streams.
It allows to write code like
cerr << autosprintf ("syntax error in %s:%d: %s", filename, line, errstring);
instead of
cerr << "syntax error in " << filename << ":" << line << ": " << errstring;
The benefits of the autosprintf syntax are:
* It reuses the standard POSIX printf facility. Easy migration from
C to C++.
* English sentences are kept together.
* It makes internationalization possible. Internationalization
requires format strings, because in some cases the translator
needs to change the order of a sentence, and more generally it is
easier for the translator to work with a single string for a
sentence than with multiple string pieces.
* It reduces the risk of programming errors due to forgotten state
in the output stream (e.g. `cout << hex;' not followed by `cout <<
dec;').
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(autosprintf.info.gz) Class autosprintf
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