Miscellaneous — Solidity 0.6.3 documentation

Layout of State Variables in Storage¶ Statically-sized variables (everything except mapping and dynamically-sized array types) are laid out contiguously in storage starting from position 0. Multiple, contiguous items that need less than 32 bytes are packed into a single storage slot if possible, according to the following rules: The first item in a storage slot is stored lower-order aligned. Eleme