index.md

layout	title_md	tab	unique_id	author	doc_root
reference12	Reference	documentation	docspage	Tom Bentley	..

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This page lists concepts and links to their descriptions. The complete language specification is also available.

Some of these pages are incomplete. Want to help? See how.

Structure and Declarations

• Keywords
• Modules
• Packages
• Compilation units
• Types
• Type abbreviations
• Type Declarations
• Type parameters
• Type aliases
• Interfaces
• Classes
• Parameters
• Values
• Functions
• object declarations (c.f. object expressions)
• Annotations
• Dynamic interfaces

Annotations

• abstract
• actual
• aliased
• annotation
• default
• deprecated
• doc
• by
• formal
• final
• late
• license
• native
• optional
• sealed
• see
• serializable
• shared
• suppressWarnings
• throws
• tagged
• variable

Markdown reference for documentation annotations

Statements

• assert
• break
• continue
• Condition lists
• Expression statements
• for
• if statement
• import
• return
• Specification statements
• Destructuring specification
• switch statement
• throw
• try
• while

Statement blocks and dynamic blocks.

Expressions

Expressions

• Invocation
• Tuple enumeration
• Iterable enumeration
• String templates
• this
• outer
• super
• package qualifier
• Anonymous functions
• Callable references
• Static references
• Meta references
• if expressions
• switch expressions
• let
• object expressions

Also see operators and literals below

Operators

• ! (not)
• != (not equal)
• % (remainder)
• %= (remainder assign)
• & (Set intersection)
• && (and)
• &&= (and assign)
• &= (Set intersect assign)
• () (invoke)
• * (product)
• ** (scale)
• *= (multiply assign)
• + (sum)
• + (unary plus)
• ++ (increment)
• += (add assign)
• - (difference)
• - (unary minus)
• -- (decrement)
• -= (subtract assign)
• -> (entry)
• . (member)
• .. (spanned range)
• y:z (measured range)
• / (quotient)
• /= (divide assign)
• < (less than)
• <= (less than or equal)
• <=> (compare)
• = (assign)
• == (equal)
• === (identical)
• > (greater than)
• >= (greater than or equal)
• ?. (null-safe attribute)
• ?. (null-safe method)
• [] (lookup)
• * (spread)
• *. (spread attribute)
• *. (spread method)
• x[y..z] (span)
• x[y...] (upper span)
• x[...z] (lower span)
• x[y:z] (measure)
• ^ (power)
• | (Set union)
• |= (Set union assign)
• || (or)
• ||= (or assign)
• {} (invoke)
• ~ (Set complement)
• ~= (Set complement assign)
• else
• exists
• in
• is
• nonempty
• of
• then

Operator polymorphism

Literals

• Integer literals
• Float literals
• String literals
• Character literals

API docs for ceylon.language and the Ceylon SDK

The API documentation for

• ceylon.language
• ceylon.buffer
• ceylon.collection
• ceylon.dbc
• ceylon.decimal
• ceylon.file
• ceylon.html
• ceylon.interop.browser
• ceylon.interop.java
• ceylon.io
• ceylon.json
• ceylon.locale
• ceylon.logging
• ceylon.math
• ceylon.net
• ceylon.numeric
• ceylon.process
• ceylon.promise
• ceylon.random
• ceylon.regex
• ceylon.test
• ceylon.time
• ceylon.transaction
• ceylon.unicode
• ceylon.whole

Tools

• Command line tooling and build tools
• The ceylon command, ceylon
• An index of ceylon subcommands
• Dealing with repositories on the command line
• The Ceylon project structure
• ceylon command plugins
• The Ceylon ant tasks
• The configuration file format
• Bootstrapping Ceylon

Interoperability

• Calling Ceylon modules on the JVM
• Calling Ceylon from Java
• Calling Java from Ceylon
• Type mapping
• Running Ceylon modules in OSGI containers
• The JavaScript compiler
• How to use native annotations

Module repositories

• Module repositories
• module.properties files
• Maven repositories
• Module overrides
• modules.ceylon-lang.org aka Ceylon Herd
• The Ceylon SDK