github.com/Ilhicas/nomad@v1.0.4-0.20210304152020-e86851182bc3/website/content/docs/job-specification/hcl2/functions/collection/concat.mdx (about) 1 --- 2 layout: docs 3 page_title: concat - Functions - Configuration Language 4 sidebar_title: concat 5 description: The concat function combines two or more lists into a single list. 6 --- 7 8 # `concat` Function 9 10 `concat` takes two or more lists and combines them into a single list. 11 12 ## Examples 13 14 ```shell-session 15 > concat(["a", ""], ["b", "c"]) 16 [ 17 "a", 18 "", 19 "b", 20 "c", 21 ] 22 ```