Ruby Operator Precedence

ruby_operator_precedence.md

from http://www.ruby-doc.org/docs/ProgrammingRuby/language.html#table_18.4

Table 18.4 : Ruby operators (high to low precedence)

Method	Operator	Description
Y	[ ] [ ]=	Element reference, element set
Y	**	Exponentiation
Y	! ~ + -	Not, complement, unary plus and minus (method names for the last two are +@ and -@)
Y	* / %	Multiply, divide, and modulo
Y	+ -	Plus and minus
Y	>> <<	Right and left shift
Y	&	Bitwise `and'
Y	^ |	Bitwise exclusive `or' and regular `or'
Y	<= < > >=	Comparison operators
Y	<=> == === != =~ !~	Equality and pattern match operators (!= and !~ may not be defined as methods)
	&&	Logical `and'
	||	Logical `or'
	.. ...	Range (inclusive and exclusive)
	? :	Ternary if-then-else
	= %= { /= -= += |= &= >>= <<= *= &&= ||= **=	Assignment
	defined?	Check if symbol defined
	not	Logical negation
	or and	Logical composition
	if unless while until	Expression modifiers
	begin/end	Block expression