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Merge pull request #1455 from ethereum/doc-number-literal-format

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docs: describe the form of number literals
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Alex Beregszaszi 2016-12-01 11:53:30 +00:00 committed by GitHub
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@ -169,6 +169,14 @@ Fixed Point Numbers
Rational and Integer Literals Rational and Integer Literals
----------------------------- -----------------------------
Integer literals are formed from a sequence of numbers in the range 0-9.
They are interpreted as decimals. For example, ``69`` means sixty nine.
Octal literals do not exist in Solidity and leading zeros are ignored.
For example, ``0100`` means one hundred.
Decimal literals are formed by a ``.`` with at least one number on
one side. Examples include ``1.``, ``.1`` and ``1.3``.
Number literal expressions retain arbitrary precision until they are converted to a non-literal type (i.e. by Number literal expressions retain arbitrary precision until they are converted to a non-literal type (i.e. by
using them together with a non-literal expression). using them together with a non-literal expression).
This means that computations do not overflow and divisions do not truncate This means that computations do not overflow and divisions do not truncate