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Operators Precedence Table
(High to low precedence)
| Operator | Description |
| [ ] [ ]= | Element reference, element set |
** | Exponentiation irb(main):002:0> 2 ** 3 => 8 |
| ! ~ + - | Not, complement, unary plus and minus (method names for the last two are +@ and -@) |
* / % | Multiply, divide, and modulo |
| + - | Plus and minus |
| » « | Right and left shift |
| & | Bitwise 'and' |
^ | | Bitwise exclusive `or' and regular `or' |
<= < > >= | Comparison operators |
<=> == === != =~ !~ | 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 |
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