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Note in specs about replacing reified TP with primitives

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Denis Zharkov
2014-12-18 19:40:24 +03:00
parent 04e560bc74
commit e479956f57
1 changed files with 2 additions and 0 deletions
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spec-docs/reified-type-parameters.md
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@@ -45,6 +45,7 @@ Notes:
## Implementation notes for the JVM ## Implementation notes for the JVM
In inline functions, occurrences of a `reified` type parameter `T` are replaced with the actual type argument. In inline functions, occurrences of a `reified` type parameter `T` are replaced with the actual type argument.
If actual type argument is a primitive type, it's wrapper will be used within reified bytecode.
``` kotlin ``` kotlin
open class TypeLiteral<T> { open class TypeLiteral<T> {
@@ -55,6 +56,7 @@ open class TypeLiteral<T> {
inline fun <reified T> typeLiteral(): TypeLiteral<T> = object : TypeLiteral<T>() {} // here T is replaced with the actual type inline fun <reified T> typeLiteral(): TypeLiteral<T> = object : TypeLiteral<T>() {} // here T is replaced with the actual type
typeLiteral<String>().type // returns 'class java.lang.String' typeLiteral<String>().type // returns 'class java.lang.String'
typeLiteral<Int>().type // returns 'class java.lang.Integer'
typeLiteral<Array<String>>().type // returns '[Ljava.lang.String;' typeLiteral<Array<String>>().type // returns '[Ljava.lang.String;'
typeLiteral<List<*>>().type // returns 'java.util.List<?>' typeLiteral<List<*>>().type // returns 'java.util.List<?>'
``` ```