grapes-alt-grapes: '%alt%' is the infix notation for the 'alt' function.

In Ramble: Parser Combinator for R

Description

%alt% is the infix notation for the alt function.

Usage

p1 %alt% p2

Arguments

p1	the first parser
p2	the second parser

Value

Returns the first parser if it suceeds otherwise the second parser

Examples

(item() %alt% succeed("2")) ("abcdef")

Example output

$result
[1] "a"

$leftover
[1] "bcdef"

Ramble documentation built on May 1, 2019, 7:17 p.m.