boost::dynamic_bitset::resize

Changes the number of bits of the bitset to num_bits.

Synopsis

Declared in <boost/dynamic_bitset/dynamic_bitset.hpp>

void
resize(
    size_type num_bits,
    bool value = false);

Description

If num_bits >= size() then the bits in the range `[0, size())` remain the same, and the bits in [size(), num_bits)`] are all set to `value. If num_bits < size() then the bits in the range [0, num_bits)] stay the same (and the remaining bits are discarded).

Throws

An allocation error if memory is exhausted (std::bad_alloc if allocator_type is a std::allocator). If the number of blocks needed exceeds the max_size() of the underlying container, whatever that container throws in that case (std::length_error for a std::vector).

Parameters

Name

Description

num_bits

The new size of the bitset.

value

The value to set any new bit to.

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