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Remove the description of None from docs #1212

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Jan 25, 2019
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Remove the description of None from docs #1212

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06c0981
Remove the description of `None`
nrryuya Jan 22, 2019
ee63f6a
Add the usage of `clear()`
nrryuya Jan 25, 2019
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10 changes: 5 additions & 5 deletions docs/types.rst
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Expand Up @@ -483,12 +483,12 @@ Custom constants can be defined at a global level in Vyper. To define a constant
return MAX_SHARES * SHARE_PRICE


***********************
Initial Values and None
***********************
**************
Initial Values
**************

In Vyper, there is no ``null`` option like most programing languages have. Thus, every variable type has a default value.
Nevertheless Vyper has the option to declare ``None`` which represent the default value of the type. Note that there is no option to assign ``None`` when initiating a variable. Also, note that you can't make comparisons to None. In order to check if a variable is empty, you will need to compare it to its type's default value.
In Vyper, there is no ``null`` option like most programing languages have. Thus, every variable type has a default value. In order to check if a variable is empty, you will need to compare it to its type's default value.
If you would like to reset a variable to its type's default value, use the built-in ``clear()`` function.

Here you can find a list of all types and default values:

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