java/com/googlecode/prolog_cafe/lang/Term.java [91:135]:
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    protected static boolean convertible(Class<?> from, Class<?> to) {
	if (from == null)
	    return ! to.isPrimitive();
	if (to.isAssignableFrom(from)) {
	    return true;
	} else if (to.isPrimitive()) {
	    if (from.equals(Boolean.class)) {
		return to.equals(Boolean.TYPE);
	    } else if (from.equals(Byte.class)) {
		return to.equals(Byte.TYPE)
		    || to.equals(Short.TYPE)
		    || to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Short.class)) {
		return to.equals(Short.TYPE)
		    || to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Character.class)) {
		return to.equals(Character.TYPE)
		    || to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Integer.class)) {
		return to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Long.class)) {
		return to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Float.class)) {
		return to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Double.class)) {
		return to.equals(Double.TYPE);
	    }
	}
	return false;
    }
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src/lang/Term.java [91:135]:
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    protected static boolean convertible(Class<?> from, Class<?> to) {
	if (from == null)
	    return ! to.isPrimitive();
	if (to.isAssignableFrom(from)) {
	    return true;
	} else if (to.isPrimitive()) {
	    if (from.equals(Boolean.class)) {
		return to.equals(Boolean.TYPE);
	    } else if (from.equals(Byte.class)) {
		return to.equals(Byte.TYPE)
		    || to.equals(Short.TYPE)
		    || to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Short.class)) {
		return to.equals(Short.TYPE)
		    || to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Character.class)) {
		return to.equals(Character.TYPE)
		    || to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Integer.class)) {
		return to.equals(Integer.TYPE)
		    || to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Long.class)) {
		return to.equals(Long.TYPE)
		    || to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Float.class)) {
		return to.equals(Float.TYPE)
		    || to.equals(Double.TYPE);
	    } else if (from.equals(Double.class)) {
		return to.equals(Double.TYPE);
	    }
	}
	return false;
    }
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