67 lines
1.5 KiB
Plaintext
67 lines
1.5 KiB
Plaintext
import vector
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import io
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fun map<T,U>(): map<T,U> {
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var toRet.construct(): map<T,U>
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return toRet
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}
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fun map<T,U>(key:T, value:U): map<T,U> {
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var toRet.construct(): map<T,U>
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toRet.set(key, value)
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return toRet
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}
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obj map<T,U> (Object) {
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var keys: vector::vector<T>
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var values: vector::vector<U>
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fun construct() {
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keys.construct()
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values.construct()
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}
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fun copy_construct(old: map<T,U>*) {
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keys.copy_construct(&old->keys)
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values.copy_construct(&old->values)
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}
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fun operator=(rhs: map<T,U>) {
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destruct()
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copy_construct(&rhs)
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}
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fun destruct() {
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keys.destruct()
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values.destruct()
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}
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fun operator[]=(key: T, value: U) {
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set(key,value)
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}
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fun set(key: T, value: U) {
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var keyIdx = keys.find(key)
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if (keyIdx >= 0) {
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values.set(keyIdx, value)
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return;
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}
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keys.add(key)
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values.add(value)
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}
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fun get(key: T): U {
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return values.get(keys.find(key))
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}
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fun remove(key: T) {
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var idx = keys.find(key)
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if (idx < 0) {
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io::println("trying to remove nonexistant key-value!")
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return;
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}
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keys.remove(idx)
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values.remove(idx)
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}
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fun operator[](key: T): U {
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return get(key)
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}
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fun for_each(func: fun(T, U):void) {
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for (var i = 0; i < keys.size; i++;)
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func(keys[i], values[i])
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}
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}
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