DBot/overdrive_that_matters
DBot/overdrive_that_matters
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Semantic fix for remove of MutablePredicateIterator

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This commit is contained in:
DBotThePony 2023-03-18 16:29:42 +07:00
parent 9f78291b79
commit 04c295a359
Signed by: DBot
GPG Key ID: DCC23B5715498507
1 changed files with 8 additions and 0 deletions
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8
src/main/kotlin/ru/dbotthepony/mc/otm/core/collect/PredicateIterator.kt
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@ -22,6 +22,9 @@ class PredicateIterator<T> : Iterator<T> {
private var foundValue: Any? = Companion private var foundValue: Any? = Companion
var once: Boolean = false
private set
override fun hasNext(): Boolean { override fun hasNext(): Boolean {
if (foundValue === Companion) { if (foundValue === Companion) {
while (parent.hasNext()) { while (parent.hasNext()) {
@ -29,6 +32,7 @@ class PredicateIterator<T> : Iterator<T> {
if (predicate.test(next)) { if (predicate.test(next)) {
foundValue = next foundValue = next
once = true
return true return true
} }
} }
@ -84,6 +88,10 @@ class MutablePredicateIterator<T> : MutableIterator<T> {
} }
override fun remove() { override fun remove() {
if (!predicateParent.once) {
throw NoSuchElementException()
}
return parent.remove() return parent.remove()
} }
} }