R: Translate a pattern into a predicate that checks the pattern.

make_pattern_match

R Documentation

Translate a pattern into a predicate that checks the pattern.

Takes a pattern from the DSL and make a comparison of the pattern specification against range variables.

make_pattern_match(pattern, range_vars)

`pattern`	An expression on the form `table[index-list]`
`range_vars`	A list of the variables used in the ranges.

An expression that tests pattern against range_vars.