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| -rw-r--r-- | docs/units-and-global-variables.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/units-and-global-variables.rst b/docs/units-and-global-variables.rst index 2571f20a..e7f41ed1 100644 --- a/docs/units-and-global-variables.rst +++ b/docs/units-and-global-variables.rst @@ -169,6 +169,13 @@ For more information, see the section on :ref:`address`. Use a pattern where the recipient withdraws the money. .. note:: + If storage variables are accessed via a low-level delegatecall, the storage layout of the two contracts + must align in order for the called contract to correctly access the storage variables of the calling contract by name. + This is of course not the case if storage pointers are passed as function arguments as in the case for + the high-level libraries. + + +.. note:: The use of ``callcode`` is discouraged and will be removed in the future. .. index:: this, selfdestruct |