22 Diagnostics library [diagnostics]

22.1 General [diagnostics.general]

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This Clause describes components that C++ programs may use to detect and report error conditions.

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The following subclauses describe components for reporting several kinds of exceptional conditions, documenting program assertions, and a global variable for error number codes, as summarized in Table 33.

Table 33 — Diagnostics library summary
Subclause Header(s)
[std.exceptions] Exception classes <stdexcept>
[assertions] Assertions <cassert>
[errno] Error numbers <cerrno>
[syserr] System error support <system_­error>