Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 2d0168b68b.

Construct a counter.

fail_count(
    std::size_t n,
    error_code ev = error::test_failure);

Name	Description
`n`	The 0-based index of the operation to fail on or after
`ev`	An optional error code to use when generating a simulated failure