Cheatsheet
Every everyday form at a glance. Each snippet is a verified one-liner — copy, paste, adapt. For depth, follow the links at the foot.
Call forms
@name bare reference @name … name@ named body (block or inline) @name(k v, k2 v2) parens @name(k: "a b") colon key, quoted multi-word value @name |k v| … name@ pipes @name { k - v } record-arg @name form-fill (then key: value ×2, then name@) key: value key2: value2 name@ @name k:v k2:v2 name@ colon-scatter @node(type X …) opaque pass-through @@raw … raw@@ raw literal ({{path}} still expands) @@@frozen … frozen@@@ frozen literal (nothing expands)
Definitions
#name: value single-line def #name: value-block def … !! #name … name# block def (… is the body slot) #name ||a, b|| capture list +#name: additive partial #rec: { k - v } record data-def (hyphen delimiter) #list: [ a, b ] collection data-def
Inside a def
::capture:: capture interpolation ... body slot {{path}} raw-body hole (only inside @@ … @@)
Data and access
@rec.field field access (fuzzy: camel/snake/spaces) 42 true null scalar values ~ index access @list.0 currently renders unresolved — use (each)
Control flow
(if @path) … (else) … (end) existence (if @x is Y) … (end) comparison — identity (if @x equals Y) … (end) comparison (each @list as item) … (end) iterate — reference the element as @item
Inline
*bold* → <strong> marks wrap a token _italic_ → <em> @code x code@ inline code (escapes its body) @a |href …| … a@ link \* escape a literal special char
Media and layout
@img |src …| |alt …| |size medium| |align center| @figure … figure@ @row @col |size 220| … col@ @col … col@ row@
Tables
@table |rows [[H, …], [r, …]]| table@ inline CSV (row 0 = header) @table |schema [k1, k2]| |rows @ref| schema-as-array @table |schema { k - Label }| |rows @ref| schema-as-record @table |rows @ref| rows-by-ref (auto columns) |caption …| add a caption |header false| |header N| |header [a, b]|
External data
@load env load@ → @env.HOME @load alias |as name| |key v| load@
Comments
~ line comment (blank line after one inside a container)CLI
wit parse <file> wit check <file> wit fmt <file> -w wit build <file> -o out.html|out.md|out.pdf [--format …] wit build <file> --fragment | --raw wit build <file> --sources wit.sources.json --allow-exec --env .env wit tour <file>
Core vocabulary — 52 names
headings h1 h2 h3 h4 h5 h6 marks em strong code u s sub sup mark small br lists ul ol li dl dt dd links/media a img figure figcaption audio video tables table thead tbody tfoot tr th td caption blocks p blockquote pre hr sectioning section article aside header footer nav main generic div span layout row col cite cite
See also
Syntax· Core vocabulary · Tables · CLI · Glossary.