std::experimental::latch::latch
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 < cpp | experimental | latch 
 
 
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explicit latch( ptrdiff_t value );
 (1) 
 (concurrency TS) 
latch( const latch & ) = delete;
 (2) 
 (concurrency TS) 
1) Constructs a 
latch and initializes its internal counter.2) Copy constructor is deleted. 
latch is not copyable.[edit] Parameters
 value
 -
 the initial value of the internal counter; must be non-negative