---
name: "Parse.alternatives"
section: "3kaya"
platform: "linux"
package: "kaya"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/Parse.alternatives"
---

# Parse.alternatives(3kaya)

Parse a string using a set of parsers.

## NAME

Parse::alternatives - Parse a string using a set of parsers.

## SYNOPSIS

**a alternatives(** *\[Parser\<a\> \] alts, var ParseState st* **)**

## ARGUMENTS

**alts** A list of parser functions

**st** The current parsing state

## DESCRIPTION

Parse a string using a set of parsers. The first one which parses is used.

-

   // Equivalent to\
    parser = alts\[0\] \`or\` alts\[1\] \`or\` alts\[2\] \
             \`or\` ... \`or\` alts\[size(alts)-1\];\
    parsed = parser(st);

## AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

## LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.

## RELATED

**Parse.or (3kaya)**