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Merge pull request #12144 from ethereum/clarify-linkersymbol-docs-regarding-fqln

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Clarify that `linkersymbol()` accepts but does not require a fully qualified library name
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chriseth 2021-10-26 11:10:34 +02:00 committed by GitHub
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docs/yul.rst
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@ -959,10 +959,13 @@ to ``loadimmutable("name")`` in the runtime code.
linkersymbol
^^^^^^^^^^^^
The function ``linkersymbol("fq_library_name")`` is a placeholder for an address literal to be
substituted by the linker. Its first and only argument must be a string literal and represents the
fully qualified library name used with the ``--libraries`` option.
The function ``linkersymbol("library_id")`` is a placeholder for an address literal to be substituted
by the linker.
Its first and only argument must be a string literal and uniquely represents the address to be inserted.
Identifiers can be arbitrary but when the compiler produces Yul code from Solidity sources,
it uses a library name qualified with the name of the source unit that defines that library.
To link the code with a particular library address, the same identifier must be provided to the
``--libraries`` option on the command line.
For example this code