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docs: Explain that public library functions cannot be called internally from the outside

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Kamil Śliwak 2021-03-25 18:57:13 +01:00
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docs/contracts/libraries.rst
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@ -38,6 +38,12 @@ To realize this in the EVM, code of internal library functions
and all functions called from therein will at compile time be included in the calling
contract, and a regular ``JUMP`` call will be used instead of a ``DELEGATECALL``.
.. note::
The inheritance analogy breaks down when it comes to public functions.
Calling a public library function with ``L.f()`` results in an external call (``DELEGATECALL``
to be precise).
In contrast, ``A.f()`` is an internal call when ``A`` is a base contract of the current contract.
.. index:: using for, set
The following example illustrates how to use libraries (but using a manual method,