tgbotapi/tgbotapi.extensions.behavio.../src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/utils/SimpleFilter.kt

27 lines
653 B
Kotlin

package dev.inmo.tgbotapi.extensions.behaviour_builder.utils
typealias SimpleFilter<T> = suspend (T) -> Boolean
inline fun <T> SimpleFilter(noinline block: SimpleFilter<T>) = block
/**
* Makes an AND (&&) operation between [this] and [other]
*/
operator fun <T> SimpleFilter<T>.times(other: SimpleFilter<T>): SimpleFilter<T> = {
this(it) && other(it)
}
/**
* Makes an OR (||) operation between [this] and [other]
*/
operator fun <T> SimpleFilter<T>.plus(other: SimpleFilter<T>): SimpleFilter<T> = {
this(it) || other(it)
}
/**
* Reverse results of [this]
*/
operator fun <T> SimpleFilter<T>.not(): SimpleFilter<T> = {
!this(it)
}