Memory Arrays.md

128 - Memory Arrays

Memory Layout & Arrays: Elements in memory arrays in Solidity always occupy multiples of 32 bytes (this is even true for byte[], but not for bytes and string). 

1. Multi-dimensional memory arrays are pointers to memory arrays

2. The length of a dynamic array is stored at the first slot of the array and followed by the array elements

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Slide Screenshot

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Slide Text

• Elements -> 32B Multiples
  • Even byte[]
• Not bytes & string
• Multi-dimensional Pointers -> Arrays
• Dynamic Arrays -> Length + Elements

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References

• Youtube Reference

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