package vaporize; import misc.*; class TransientInterval { protected int first_def; protected int last_use; protected TransientInterval(int first_def, int last_use) { this.first_def = first_def; this.last_use = last_use; } @Override public boolean equals(Object other) { TransientInterval o; return (other instanceof TransientInterval) && (((o = (TransientInterval) other)).first_def == this.first_def); } }