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package org.rosuda.REngine;
/** abstract class representing all vectors in R */
public abstract class REXPVector extends REXP {
public REXPVector() { super(); }
public REXPVector(REXPList attr) {
super(attr);
}
/** returns the length of the vector (i.e. the number of elements)
* @return length of the vector */
public abstract int length();
public boolean isVector() { return true; }
/** returns a boolean vector of the same length as this vector with <code>true</code> for NA values and <code>false</code> for any other values
* @return a boolean vector of the same length as this vector with <code>true</code> for NA values and <code>false</code> for any other values */
public boolean[] isNA() {
boolean a[] = new boolean[length()];
return a;
}
public String toString() {
return super.toString()+"["+length()+"]";
}
public String toDebugString() {
return super.toDebugString()+"["+length()+"]";
}
}
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