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Martin Atkins e7d71995f6 website: Document the remaining "collection" functions

This also renames some of the existing function pages whose source
filenames were not matching the usual naming scheme (.html.md).

2018-10-16 18:47:33 -07:00

layout, page_title, sidebar_current, description

layout	page_title	sidebar_current	description
functions	join function	docs-funcs-string-join	The join function produces a string by concatenating the elements of a list with a given delimiter.

`join` Function

join produces a string by concatenating together all elements of a given list of strings with the given delimiter.

join(separator, list)

Examples

> join(", ", ["foo", "bar", "baz"])
foo, bar, baz
> join(", ", ["foo"])
foo

split performs the opposite operation: producing a list by separating a single string using a given delimiter.