From a0d006015e253b88626d2489e8cd8b5b537f5079 Mon Sep 17 00:00:00 2001 From: Oleksii Matiiasevych Date: Thu, 1 Mar 2018 22:54:04 +0700 Subject: Update Tips and Tricks on structs initialization. (#3626) * Update Tips and Tricks on structs initialization. --- docs/miscellaneous.rst | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'docs/miscellaneous.rst') diff --git a/docs/miscellaneous.rst b/docs/miscellaneous.rst index b5d605ac..70ed6201 100644 --- a/docs/miscellaneous.rst +++ b/docs/miscellaneous.rst @@ -230,7 +230,10 @@ Tips and Tricks * Make your state variables public - the compiler will create :ref:`getters ` for you automatically. * If you end up checking conditions on input or state a lot at the beginning of your functions, try using :ref:`modifiers`. * If your contract has a function called ``send`` but you want to use the built-in send-function, use ``address(contractVariable).send(amount)``. -* Initialise storage structs with a single assignment: ``x = MyStruct({a: 1, b: 2});`` +* Initialize storage structs with a single assignment: ``x = MyStruct({a: 1, b: 2});`` + +.. note:: + If the storage struct has tightly packed properties, initialize it with separate assignments: ``x.a = 1; x.b = 2;``. In this way it will be easier for the optimizer to update storage in one go, thus making assignment cheaper. ********** Cheatsheet -- cgit v1.2.3