| Examples of operator
properties |
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| Prolog has
shortcuts in notation for certain operators (especially |
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| arithmetic ones) |
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| Position Operator Syntax Normal Syntax |
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| Prefix: -2 -(2) |
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| Infix: 5+17 +(17,5) |
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| Associativity:
left, right, none. |
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| X+Y+Z
is parsed as (X+Y)+Z |
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| because addition
is left-associative. |
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| Precedence: an
integer. |
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| X+Y*Z is parsed as X+(Y*Z) |
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| because
multiplication has higher precedence. |
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| 36 |
