Pipe-calculus: Difference between revisions

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We name the new operators '''positive arrow''' and '''negative arrow''' respectively.
We name the new operators '''positive arrow''' and '''negative arrow''' respectively.
When it is clear from context, we can call a negative arrow simply an arrow.
When it is clear from context, we can call a negative arrow simply an arrow.
 
The precedence and associativity of operators is summarized in the following table.
Note that the basic calculus ''does not allow'' the use of parentheses for grouping and disambiguation. They will be introduced later as an extension. The above grammar determines the precedence and associativity of operators, which is summarized in the following table.


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