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C++ Theory and Practice

By Dan Saks, October 01, 1996


October 1996/C++ Theory and Practice/Table 2

Table 2: A Summary of EBNF operators


X = Y . means "an X is defined to be a Y"

X | Y   means "either an X or a Y"

[ X ]   means 0 or 1 occurrence(s) of an X"

{ X }   means "0 or more occurrences of an X"

also

( )     group sub-expressions

" "     enclose a terminal symbol


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