.\" This man page is automatically generated using
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.TH "Array.elem" "3kaya" "August 2014" "Kaya" "Kaya module reference"
.SH "NAME"
Array::elem \- Check whether a value is in a list.
.SH "SYNOPSIS"
.B Bool elem(
\fIa val, [a] list, Bool(a, a) eq=equal\fP
.B ")"
.SH "ARGUMENTS"
.PP
.B "val"
The value to search for ("needle")
.PP
.B "list"
The list to search ("haystack")
.PP
.B "eq"
Optionally, the function used to check for presence (the default is
.B "Builtins.equal"(3kaya)
, obviously, but
.B "Builtins.identical"(3kaya)
might be used)
.SH "DESCRIPTION"
.PP
Check whether the "needle" occurs at least once in the "haystack". This function can be thought of as a specialised version of
.B "Array.any"(3kaya)
.SH "AUTHORS"
Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/
.SH 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.
.SH "RELATED"
.PD 0
.PP
.B "Array.any"(3kaya)
.PP
.B "Builtins.equal"(3kaya)
.PP
.B "Builtins.identical"(3kaya)
.PD 0.4v