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Add reference to default values in mapping section

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Denton Liu 2016-07-04 10:52:08 -04:00
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commit d4d7d9854a
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docs/types.rst
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@ -570,7 +570,7 @@ can actually be any type, including mappings.
Mappings can be seen as hashtables which are virtually initialized such that Mappings can be seen as hashtables which are virtually initialized such that
every possible key exists and is mapped to a value whose byte-representation is every possible key exists and is mapped to a value whose byte-representation is
all zeros. The similarity ends here, though: The key data is not actually stored all zeros: a type's :ref:`default value <default-value>`. The similarity ends here, though: The key data is not actually stored
in a mapping, only its ``sha3`` hash used to look up the value. in a mapping, only its ``sha3`` hash used to look up the value.
Because of this, mappings do not have a length or a concept of a key or value being "set". Because of this, mappings do not have a length or a concept of a key or value being "set".