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* Changed the ordering so that tutorials come first. * Added a tutorial on recursive modules.
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+++ title = "The UCG Language Reference" slug = "reference" weight = 3 sort_by = "weight" in_search_index = true +++ An Overview
UCG is a language specialized for generating configurations. It does not have classes, inheritance, or a full type system. All values are immutable once bound to a name. A valid UCG file is composed of a series of statements. Statements can be an expression, introduce named bindings, or create different outputs. All statements must be terminiated by a semicolon.
Some words are reserved in UCG and can not be used as a named binding.
- self
- assert
- true
- false
- let
- import
- as
- in
- is
- not
- fail
- select
- func
- module
- env
- map
- filter
- reduce
- NULL
- out
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