between: #' High-order combinator #' Choice combinator #' @param...

In kcf-jackson/combinatorParser: Build parsers with ease!

Description

#' High-order combinator #' Choice combinator #' @param list_of_parsers A list of parsers. #' @examples #' p5 <- choice(list(literal("A"), literal("B"), literal("C"))) #' p5("ABCDE") # success: list("A", "BCDE") #' p5("BBCDE") # success: list("B", "BCDE")) #' p5("CBCDE") # success: list("C", "BCDE")) #' p5("DBCDE") # fail : list()) #' @export choice <- function(list_of_parsers) Reduce(or_else, list_of_parsers) #' Sequence combinator #' @param list_of_parsers A list of parser. #' @examples #' p7 <- sequence(list(literal("A"), literal("B"), literal("C"))) #' p7("ABCDE") # success: list("ABC", "DE")) #' p7("BBCDE") # fail : list() #' @export sequence <- function(...) Reduce(' Between combinator

Usage

between(p1, p2, p3)

Arguments

p1	A parser.
p2	A parser.
p3	A parser.

Examples

p1 <- between(literal("("), string("hi!"), literal(")"))
p1("(hi!)")   # success:  list("hi!", "")
p1("BBCDE")   #   fail :  list()

kcf-jackson/combinatorParser documentation built on May 17, 2019, 4:22 a.m.