Provided by: libstdc++-7-doc_7.5.0-6ubuntu2_all 

NAME
std::adopt_lock_t - Assume the calling thread has already obtained mutex ownership and manage it.
SYNOPSIS
Detailed Description
Assume the calling thread has already obtained mutex ownership and manage it.
Definition at line 139 of file std_mutex.h.
Author
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libstdc++ Thu Mar 26 2020 std::adopt_lock_t(3cxx)