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@ -161,7 +161,7 @@ Unfortunately, there are some subtleties the compiler does not yet warn you abou
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2. Sending Ether can fail due to the call depth going above 1024. Since the caller is in total control of the call
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2. Sending Ether can fail due to the call depth going above 1024. Since the caller is in total control of the call
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depth, they can force the transfer to fail, so make sure to always check the return value of ``send``. Better yet,
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depth, they can force the transfer to fail, so make sure to always check the return value of ``send``. Better yet,
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write your contract using a pattern where the recipient can withdraw Ether instead.
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write your contract using a pattern where the recipient can withdraw Ether instead.
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3. Sending Ether can also fail because the recipient goes out of gas (either explicitly by using ``throw`` or
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3. Sending Ether can also fail because the recipient runs out of gas (either explicitly by using ``throw`` or
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because the operation is just too expensive). If the return value of ``send`` is checked, this might provide a
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because the operation is just too expensive). If the return value of ``send`` is checked, this might provide a
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means for the recipient to block progress in the sending contract. Again, the best practise here is to use
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means for the recipient to block progress in the sending contract. Again, the best practise here is to use
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a "withdraw" pattern instead of a "send" pattern.
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a "withdraw" pattern instead of a "send" pattern.
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@ -10,7 +10,7 @@ Solidity is a statically typed language, which means that the type of each
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variable (state and local) needs to be specified (or at least known -
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variable (state and local) needs to be specified (or at least known -
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see :ref:`type-deduction` below) at
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see :ref:`type-deduction` below) at
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compile-time. Solidity provides several elementary types which can be combined
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compile-time. Solidity provides several elementary types which can be combined
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to complex types.
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to form complex types.
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.. index:: ! value type, ! type;value
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.. index:: ! value type, ! type;value
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