some: some matches 1 or more of pattern p. in BNF notation, repetition occurs often enough to merit its own abbreviation. When zero or more repetitions of a phrase p are admissible, we simply write p+. The some combinator corresponds directly to this operator, and is defined in much the same way.

Description

some matches 1 or more of pattern p. in BNF notation, repetition occurs often enough to merit its own abbreviation. When zero or more repetitions of a phrase p are admissible, we simply write p+. The some combinator corresponds directly to this operator, and is defined in much the same way.

Usage

1
some(p)

Arguments

p

is the parser to match 1 or more times.

See Also

maybe, many

Examples

1
2
Digit <- function(...) {satisfy(function(x) {return(!!length(grep("[0-9]", x)))})}
some(Digit()) ("123abc")

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