70 lines
1.5 KiB
Plaintext
70 lines
1.5 KiB
Plaintext
import vector
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import io
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fun set<T>(): set<T> {
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var toRet.construct() : set<T>
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return toRet
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}
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fun set<T>(item: T): set<T> {
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var toRet.construct() : set<T>
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toRet.add(item)
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return toRet
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}
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fun from_vector<T>(items: vector::vector<T>): set<T> {
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var toRet.construct() : set<T>
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items.do( fun(item: T) toRet.add(item); )
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return toRet
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}
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obj set<T> {
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var data: vector::vector<T>
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fun construct() {
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data.construct()
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}
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fun copy_construct(old: set<T>*) {
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data.copy_construct(&old->data)
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}
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fun operator=(rhs: set<T>) {
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destruct()
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copy_construct(&rhs)
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}
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fun operator==(rhs: set<T>): bool {
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if (size() != rhs.size())
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return false
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return !data.any_true( fun(item: T): bool return !rhs.contains(item); )
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}
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fun operator!=(rhs: set<T>): bool {
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return ! (*this == rhs)
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}
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fun destruct() {
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data.destruct()
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}
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fun size():int {
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return data.size
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}
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fun contains(item: T): bool {
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return data.find(item) != -1
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}
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fun add(item: T) {
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if (!contains(item))
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data.add(item)
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}
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fun add(items: set<T>) {
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items.for_each( fun(item: T) add(item); )
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}
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fun remove(item: T) {
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var idx = data.find(item)
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if (idx == -1) {
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io::println("CANNOT FIND ITEM TO REMOVE")
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return
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}
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data.remove(idx)
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}
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fun for_each(func: fun(T):void) {
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data.do(func)
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}
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}
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