22 Containers library [containers]

22.3 Sequence containers [sequences]

22.3.9 Class template forward_­list [forwardlist]

22.3.9.2 Constructors, copy, and assignment [forwardlist.cons]

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explicit forward_list(const Allocator&);
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Effects: Constructs an empty forward_­list object using the specified allocator.
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Complexity: Constant.
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explicit forward_list(size_type n, const Allocator& = Allocator());
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Preconditions: T is Cpp17DefaultInsertable into *this.
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Effects: Constructs a forward_­list object with n default-inserted elements using the specified allocator.
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Complexity: Linear in n.
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forward_list(size_type n, const T& value, const Allocator& = Allocator());
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Preconditions: T is Cpp17CopyInsertable into *this.
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Effects: Constructs a forward_­list object with n copies of value using the specified allocator.
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Complexity: Linear in n.
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template<class InputIterator> forward_list(InputIterator first, InputIterator last, const Allocator& = Allocator());
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Effects: Constructs a forward_­list object equal to the range [first, last).
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Complexity: Linear in distance(first, last).