Copying Algorithms

An introduction to the 7 copying algorithms in the C++ standard library: copy(), copy_n(), copy_if(), copy_backward(), reverse_copy(), rotate_copy(), and unique_copy().

Ryan McCombe
Updated
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Questions & Answers

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Handling Overlapping Ranges when Copying
How can I handle copying objects when the source and destination ranges overlap in complex ways?
Ensuring Destination Space when Copying
What happens if the destination container does not have enough space to accommodate all copied elements?
Copying from Multiple Source Ranges
How can I copy elements from multiple source ranges into a single destination container?
Copying between Custom Containers
Can I use std::ranges::copy() with custom containers that do not support iterators?
Copying Between Different Container Types
How do I copy elements from a container to a different type of container, like from a std::vector to a std::list?
Implementing Copy Algorithm
How can I implement my own version of std::ranges::copy()?
Copying Complex Objects
How do I ensure the integrity of data when copying complex objects with deep copy requirements?
Unique Copy with Predicate
Can I use std::ranges::unique_copy() with a predicate that depends on multiple object properties?
Optimizing Memory Usage when Copying
How can I optimize memory usage when using these copy algorithms with large datasets?
Copying with Different Ordering
Is it possible to copy elements from a range to a destination with a different ordering, not just reversed or rotated?
Copy Algorithm vs Manual Loop
What are the differences between std::ranges::copy_n() and a loop that manually copies n elements?