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Diffstat (limited to 'docs/frequently-asked-questions.rst')
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diff --git a/docs/frequently-asked-questions.rst b/docs/frequently-asked-questions.rst index 3e9a6aca..8b655b0d 100644 --- a/docs/frequently-asked-questions.rst +++ b/docs/frequently-asked-questions.rst @@ -38,11 +38,6 @@ has it (which includes `Remix <https://remix.ethereum.org/>`_), then ``contractname.kill.sendTransaction({from:eth.coinbase})``, just the same as my examples. -Can you return an array or a ``string`` from a solidity function call? -====================================================================== - -Yes. See `array_receiver_and_returner.sol <https://github.com/fivedogit/solidity-baby-steps/blob/master/contracts/60_array_receiver_and_returner.sol>`_. - Is it possible to in-line initialize an array like so: ``string[] myarray = ["a", "b"];`` ========================================================================================= @@ -61,11 +56,6 @@ Example:: } } -Can a contract function return a ``struct``? -============================================ - -Yes, but only in ``internal`` function calls or if ``pragma experimental "ABIEncoderV2";`` is used. - If I return an ``enum``, I only get integer values in web3.js. How to get the named values? =========================================================================================== @@ -103,15 +93,6 @@ How do structs work? See `struct_and_for_loop_tester.sol <https://github.com/fivedogit/solidity-baby-steps/blob/master/contracts/65_struct_and_for_loop_tester.sol>`_. -How do for loops work? -====================== - -Very similar to JavaScript. Such as the following example: - -``for (uint i = 0; i < a.length; i ++) { a[i] = i; }`` - -See `struct_and_for_loop_tester.sol <https://github.com/fivedogit/solidity-baby-steps/blob/master/contracts/65_struct_and_for_loop_tester.sol>`_. - What are some examples of basic string manipulation (``substring``, ``indexOf``, ``charAt``, etc)? ================================================================================================== @@ -292,12 +273,6 @@ In this example:: } } -Can a contract function accept a two-dimensional array? -======================================================= - -If you want to pass two-dimensional arrays across non-internal functions, -you most likely need to use ``pragma experimental "ABIEncoderV2";``. - What is the relationship between ``bytes32`` and ``string``? Why is it that ``bytes32 somevar = "stringliteral";`` works and what does the saved 32-byte hex value mean? ======================================================================================================================================================================== |