com.github.krukow.clj_ds.Transients Maven / Gradle / Ivy

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package com.github.krukow.clj_ds;

import com.github.krukow.clj_lang.PersistentArrayMap;
import com.github.krukow.clj_lang.PersistentHashMap;
import com.github.krukow.clj_lang.PersistentHashSet;
import com.github.krukow.clj_lang.PersistentVector;

public final class Transients {
	
	// Factory Methods

	public static final  TransientVector transientVector() {
		return PersistentVector.emptyVector().asTransient();
	}
	
	public static final  TransientSet transientHashSet() {
		return PersistentHashSet.emptySet().asTransient();
	}
	
	@SuppressWarnings("unchecked")
	public static final  TransientMap transientHashMap() {
		return PersistentHashMap.emptyMap().asTransient();
	}
	
	@SuppressWarnings("unchecked")
	public static final  TransientMap transientArrayMap() {
		return PersistentArrayMap.EMPTY.asTransient();
	}
	
	// Utilities
	
	public static  TransientVector plusAll(TransientVector vec, Iterable others) {
		TransientVector tv = vec;
		for (E other : others) {
			tv = tv.plus(other);
		}
		return tv;
	}
	
	public static  TransientVector plusAll(TransientVector vec, E... others) {
		TransientVector tv = vec;
		for (E other : others) {
			tv = tv.plus(other);
		}
		return tv;
	}
	
	public static  TransientSet plusAll(TransientSet set, Iterable others) {
		TransientSet tv = set;
		for (E other : others) {
			tv = tv.plus(other);
		}
		return tv;
	}
	
	public static  TransientSet plusAll(TransientSet set, E... others) {
		TransientSet tv = set;
		for (E other : others) {
			tv = tv.plus(other);
		}
		return tv;
	}
	
	public static  TransientSet minusAll(TransientSet set, Iterable others) {
		TransientSet tv = set;
		for (E other : others) {
			tv = tv.minus(other);
		}
		return tv;
	}
	
	private Transients() {
	}
	
}