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meta categoriessys licenseAFL-3.0 org{uri:https://project-haystack.org/, dis:Project Haystack} vcs{type:git, uri:https://github.com/Project-Haystack/xeto.git} version5.0.0 types And

And type is a combination of multiple types

Bool

Boolean value either true or false

Buf

Blob of raw binary data in base64url encoding as specified by RFC 4648

BuildVar

BuildVar is string macro from "build.props" injected at build time

Choice

Open enumerated taxonomy of marker tags

Date

ISO 8601 date as year, month, day

DateTime

ISO 8601 timestamp followed by timezone identifier

Dict

Associative array of name/value pairs

Duration

Number with a unit of time

Entity

Top-level dicts with a unique identifier

Enum

Closed enumerated set of string values

File

Entity that represents a file containing textual or binary data

Filter

Filter query string

Float

Unitless floating point number

Func

Function represents the signature of a computation with zero or more parameter types and one return type

Funcs

Collection of all functions in the namespace

Grid

Two dimension table of columns and rows

Int

Unitless integer number

Interface

Inferface is an object oriented API defined as set of named field and method slots

Lib

Library module meta data

LibDepend

Library dependency

LibDependVersions

Version constraints for a library dependency

LibOrg

Organization library metadata

LibVcs

Version control library metadata

List

Ordered list of zero or more values

Marker

Marker labels a dict with typing information

MultiRef

Reference or list of references

NA

Not available indicates invalid or missing data

None

None represents the absense of value

Number

Integer or floating point numbers annotated with an optional unit

Obj

Root type for all objects

Or

Or type is a choice between one of multiple types

Query

Query defines a named data set

Ref

Reference to another dict

Scalar

Scalar is an atomic value kind

Self

Self is a placeholder that always represents the parent type

Seq

Sequence is base type for all collections

Span

Span models a time range between two DateTimes

SpanMode

Relative span to current date

Spec

Spec models a type specification and the metadata slots

Str

Unicode string of characters

Time

ISO 8601 time as hour, minute, seconds

TimeZone

TimeZone names for standardized database

Unit

Unit symbols for standardized database

UnitQuantity

Unit quantity types for standardized database

Uri

Universal resource identifier

Version

Version string formatted as decimal digits separated by a dot

Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST