Solid keywords and phrases

course declares a category

does begins a do/while trap (circle with postcondition)

otherwise specifies the branch of an if manifestation that is definitely accomplished once the condition is actually incorrect

bogus points out the ‘false’ value of the Boolean kind

determine the object being iterated in a towards trap

is used as an infix driver to test that a price belongs to a selection, an assortment and other thing that identifies the ‘contains’ approach

is used in when expressions for similar goal

markings a sort factor as contravariant

is used as an owner to test that an advantage don’t are part of a selection, a collection and other enterprise that determine the ‘contains’ means

is used in as soon as expressions for the very same intent

interface reports an interface

is used in once expressions for the same mission

is used in once expression for similar reason

nothing is a consistent symbolizing an object mention which doesn’t point out any thing

accurate determine the ‘true’ property value the Boolean kinds

typealias reports a type alias

typeof reserved for potential make use of

val declares a read-only home or nearby varying

var reports a mutable land or hometown changeable

when begins a when appearance (performs on the list of furnished divisions)

while starts sometime circle (cycle with precondition)

Flaccid keywords and phrases

This tokens work as keyword combinations in the framework when they are suitable and will be used as identifiers in other contexts:

vibrant mention an active key in Kotlin/JS rule

value with the school research reports an inline classroom

Modifier keyword combinations

Listed here tokens become key in modifier records of declarations and certainly will be used as identifiers some other contexts:

actual means a platform-specific implementation in multiplatform tasks

abstract spots a course or associate as theoretical

annotation reports an annotation school

spouse reports a partner item

const mark a property as a compile-time consistent

enum declares an enumeration

trust markings an affirmation as platform-specific, anticipating an implementation in platform segments.

outside markings an affirmation as put in place certainly not in Kotlin (accessible through JNI or perhaps in JavaScript)

infix allows dialing a feature in infix writing

inside makes making reference to the outside class incidences from a nested classroom

interior scars a testimony as noticeable in the current module

out spots a type vardeenhet as covariant

override mark a user as a supersede of a superclass associate

common scratches a resolution as noticeable wherever

reified markings a kind factor of an inline work as easily accessible at runtime

sealed declares an enclosed type (a course with limited subclassing)

suspend marks a purpose or lambda as suspending (usable as a coroutine)

tailrec marks a be tail-recursive (permitting the compiler to replace recursion with version)

Specialized identifiers

Below identifiers are outlined by your compiler in certain contexts and that can be utilized for normal identifiers various other contexts:

niche is used inside a home accessor to mention with the support subject for the land

Providers and unique emblems

Kotlin aids the following providers and specific representations:

&& , || , ! – sensible ‘and’, ‘or’, ‘not’ employees (for bitwise procedure, need related infix services)

== , != – equivalence operators (render to calls of equals() for non-primitive kinds)

, > , , >= – assessment operators (converted to calls of compareTo() for non-primitive types)

[ , ] – listed access user (translated to contacts of use and place )

?. executes a secure telephone call (telephone calls a mode or accesses a property if your radio is definitely non-null)

?: takes the right-hand importance if your left-hand appreciate happens to be null (the elvis operator)

: sets apart an identity from a sort in declarations

? marks a type as nullable

split the parameters and the entire body of a lambda term

sets apart the parameters and return type affirmation in a purpose sort

classify the problem and the entire body of an any time concept part

highlights or records a program name

presents or references a lambda tag

; stands between many comments for a passing fancy range

$ records a changeable or concept in a line format

replacements an untouched vardeenhet in a lambda expression

substitutes an unused parameter in a destructuring announcement