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Code Issues Releases Wiki Activity

Make ReducerApplicable an independent interface.

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This commit is contained in:
Danila Fedorin 2017-08-26 11:52:02 -07:00
parent e4b390ed81
commit 6f01af3252
1 changed files with 9 additions and 11 deletions
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20
core/src/main/kotlin/org/nwapw/abacus/function/applicable/ReducerApplicable.kt
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@ -11,20 +11,18 @@ import org.nwapw.abacus.tree.Reducer
* @param <O> the return type of the application. * @param <O> the return type of the application.
* @param <R> the required type of the reducer. * @param <R> the required type of the reducer.
*/ */
interface ReducerApplicable<in T: Any, out O: Any, in R: Any> : Applicable<T, O> { interface ReducerApplicable<in T: Any, out O: Any, in R: Any> {
override fun applyInternal(params: Array<out T>): O? {
return null
}
override fun apply(vararg params: T): O? {
return null
}
/**
* Checks if this applicable can be applied to the
* given parameters.
* @param params the parameters to check.
*/
fun matchesParams(params: Array<out T>): Boolean
/** /**
* Applies this applicable to the given arguments, and reducer. * Applies this applicable to the given arguments, and reducer.
* @param reducer the reducer to use in the application. * @param reducer the reducer to use in the application.
* @param args the arguments to apply to. * @param params the arguments to apply to.
* @return the result of the application. * @return the result of the application.
*/ */
fun applyWithReducerInternal(reducer: Reducer<R>, params: Array<out T>): O? fun applyWithReducerInternal(reducer: Reducer<R>, params: Array<out T>): O?
@ -32,7 +30,7 @@ interface ReducerApplicable<in T: Any, out O: Any, in R: Any> : Applicable<T, O>
* Applies this applicable to the given arguments, and reducer, * Applies this applicable to the given arguments, and reducer,
* if the arguments and reducer are compatible with this applicable. * if the arguments and reducer are compatible with this applicable.
* @param reducer the reducer to use in the application. * @param reducer the reducer to use in the application.
* @param args the arguments to apply to. * @param params the arguments to apply to.
* @return the result of the application, or null if the arguments are incompatible. * @return the result of the application, or null if the arguments are incompatible.
*/ */
fun applyWithReducer(reducer: Reducer<R>, vararg params: T): O? { fun applyWithReducer(reducer: Reducer<R>, vararg params: T): O? {