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Merge pull request #5434 from fulldecent/patch-8

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Qualify that storage slots are shared for contiguous data
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chriseth 2018-11-22 00:36:34 +01:00 committed by GitHub
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docs/miscellaneous.rst
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@ -8,7 +8,7 @@ Miscellaneous
Layout of State Variables in Storage
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Statically-sized variables (everything except mapping and dynamically-sized array types) are laid out contiguously in storage starting from position ``0``. Multiple items that need less than 32 bytes are packed into a single storage slot if possible, according to the following rules:
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.
- Elementary types use only that many bytes that are necessary to store them.