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authorDenton Liu <liu.denton+github@gmail.com>2016-07-21 03:29:28 +0800
committerDenton Liu <liu.denton+github@gmail.com>2016-07-21 03:48:54 +0800
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Create order of precedence table
Diffstat (limited to 'docs')
-rw-r--r--docs/miscellaneous.rst58
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