Annotated edit history of
PrefixNotation version 2, including all changes.
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JohnMcPherson |
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Similar (but opposite ?!) to [Reverse Polish Notation|RPN], in that operators act on the next two expressions (for binary operators). |
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Eg 5 + (6 * 7) is expressed in prefix notation as |
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+ 5 * 6 7 |
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However, as RPN uses a "stack" of intermediate values it is easier to implement as when you parse an operator you already have your operands available. |
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PerryLorier |
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[LISP] is probably the best known language to use prefix notation. |
