sites

http://kotlinlang.org/docs/reference/basic-syntax.html
http://kotlinlang.org/docs/reference/idioms.html
http://kotlinlang.org/docs/reference/coding-conventions.html
http://kotlinlang.org/docs/reference/basic-types.html
http://kotlinlang.org/docs/reference/packages.html
http://kotlinlang.org/docs/reference/control-flow.html
http://kotlinlang.org/docs/reference/returns.html
http://kotlinlang.org/docs/reference/classes.html
http://kotlinlang.org/docs/reference/properties.html
http://kotlinlang.org/docs/reference/interfaces.html
http://kotlinlang.org/docs/reference/visibility-modifiers.html
http://kotlinlang.org/docs/reference/extensions.html
http://kotlinlang.org/docs/reference/data-classes.html
http://kotlinlang.org/docs/reference/generics.html
http://kotlinlang.org/docs/reference/nested-classes.html
http://kotlinlang.org/docs/reference/enum-classes.html
http://kotlinlang.org/docs/reference/object-declarations.html
http://kotlinlang.org/docs/reference/delegation.html
http://kotlinlang.org/docs/reference/delegated-properties.html
http://kotlinlang.org/docs/reference/functions.html
http://kotlinlang.org/docs/reference/lambdas.html
http://kotlinlang.org/docs/reference/inline-functions.html
http://kotlinlang.org/docs/reference/multi-declarations.html
http://kotlinlang.org/docs/reference/ranges.html
http://kotlinlang.org/docs/reference/typecasts.html
http://kotlinlang.org/docs/reference/this-expressions.html
http://kotlinlang.org/docs/reference/equality.html
http://kotlinlang.org/docs/reference/operator-overloading.html
http://kotlinlang.org/docs/reference/null-safety.html
http://kotlinlang.org/docs/reference/exceptions.html
http://kotlinlang.org/docs/reference/annotations.html
http://kotlinlang.org/docs/reference/reflection.html
http://kotlinlang.org/docs/reference/type-safe-builders.html
http://kotlinlang.org/docs/reference/dynamic-type.html
http://kotlinlang.org/docs/reference/kotlin-doc.html
http://kotlinlang.org/docs/reference/using-gradle.html
http://kotlinlang.org/docs/reference/faq.html
http://kotlinlang.org/docs/reference/comparison-to-java.html