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| author | Denton Liu <liu.denton+github@gmail.com> | 2016-07-21 03:29:28 +0800 |
|---|---|---|
| committer | Denton Liu <liu.denton+github@gmail.com> | 2016-07-21 03:48:54 +0800 |
| commit | dfe55a929d78657544e744f12c13d73983671b7f (patch) | |
| tree | c5f67bb19a566857069b9be72b1b350e406b8a9f /docs | |
| parent | f24d70e914eeec1a3e51b0d118074ab68faa3bd3 (diff) | |
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Create order of precedence table
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/miscellaneous.rst | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/docs/miscellaneous.rst b/docs/miscellaneous.rst index 825be2ce..55582eed 100644 --- a/docs/miscellaneous.rst +++ b/docs/miscellaneous.rst @@ -149,6 +149,64 @@ Tips and Tricks Cheatsheet ********** +.. index:: precedence + +Order of Precedence of Operators +================================ + +The following is the order of precedence for operators, listed in order of evaluation. + ++------------+-------------------------------------+--------------------------------------------+ +| Precedence | Description | Operator | ++============+=====================================+============================================+ +| *1* | Postfix increment and decrement | ``++``, ``--`` | ++ +-------------------------------------+--------------------------------------------+ +| | Function-like call | ``<func>(<args...>)`` | ++ +-------------------------------------+--------------------------------------------+ +| | Array subscripting | ``<array>[<index>]`` | ++ +-------------------------------------+--------------------------------------------+ +| | Member access | ``<object>.<member>`` | ++ +-------------------------------------+--------------------------------------------+ +| | Parentheses | ``(<statement>)`` | ++------------+-------------------------------------+--------------------------------------------+ +| *2* | Prefix increment and decrement | ``++``, ``--`` | ++ +-------------------------------------+--------------------------------------------+ +| | Unary plus and minus | ``+``, ``-`` | ++ +-------------------------------------+--------------------------------------------+ +| | Logical NOT | ``!`` | ++ +-------------------------------------+--------------------------------------------+ +| | Bitwise NOT | ``~`` | ++------------+-------------------------------------+--------------------------------------------+ +| *3* | Exponentiation | ``**`` | ++------------+-------------------------------------+--------------------------------------------+ +| *4* | Multiplication, division and modulo | ``*``, ``/``, ``%`` | ++------------+-------------------------------------+--------------------------------------------+ +| *5* | Addition and subtraction | ``+``, ``-`` | ++------------+-------------------------------------+--------------------------------------------+ +| *6* | Bitwise shift operators | ``<<``, ``>>``, ``>>>`` | ++------------+-------------------------------------+--------------------------------------------+ +| *7* | Bitwise AND | ``&`` | ++------------+-------------------------------------+--------------------------------------------+ +| *8* | Bitwise XOR | ``^`` | ++------------+-------------------------------------+--------------------------------------------+ +| *9* | Bitwise OR | ``|`` | ++------------+-------------------------------------+--------------------------------------------+ +| *10* | Inequality operators | ``<``, ``>``, ``<=``, ``>=`` | ++------------+-------------------------------------+--------------------------------------------+ +| *11* | Equality operators | ``==``, ``!=`` | ++------------+-------------------------------------+--------------------------------------------+ +| *12* | Logical AND | ``&&`` | ++------------+-------------------------------------+--------------------------------------------+ +| *13* | Logical OR | ``||`` | ++------------+-------------------------------------+--------------------------------------------+ +| *14* | Ternary operator | ``<conditional> ? <if-true> : <if-false>`` | ++------------+-------------------------------------+--------------------------------------------+ +| *15* | Assignment operators | ``=``, ``|=``, ``^=``, ``&=``, ``<<=``, | +| | | ``/=``, ``%=`` | ++------------+-------------------------------------+--------------------------------------------+ +| *16* | Comma operator | ``,`` | ++------------+-------------------------------------+--------------------------------------------+ + .. index:: block, coinbase, difficulty, number, block;number, timestamp, block;timestamp, msg, data, gas, sender, value, now, gas price, origin, sha3, ripemd160, sha256, ecrecover, addmod, mulmod, cryptography, this, super, selfdestruct, balance, send Global Variables |