Retrieves critical task respecting isolation level, if provided. The rule is: 1) If no outer critical task and no isolation => take any critical task

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The grain size for this range.

Constructs a graph with isolated task_group_context

Copy constructor

Construct empty list

exception-safety requires we do all the potentially-throwing operations first

Observers

Construct undefined iterator

Split range.

Merge unsorted elements into heap

[[Rcpp::export]]

Default constructor. The default constructed ID is that of thread without a thread of execution.

ptr is in zone and have reported size */

note: impl_malloc_usable_size() is called for each free() call, so it must be fast */

Empty out caches in the face of memory pressure. */

Map ticket_type to an array index

Some versions of Intel(R) C++ Compiler fail to generate an implicit constructor for the class which has std::tuple as a member.