Method retType

src/jvm/clojure/lang/Compiler.java:9236–9248

(Class tc, Class ret)

    }

    static Class retType(Class tc, Class ret){
        if(tc == null)
            return ret;
        if(ret == null)
            return tc;
        if(ret.isPrimitive() && tc.isPrimitive()){
            if((inty(ret) && inty(tc)) || (ret == tc))
                return tc;
            throw new UnsupportedOperationException("Cannot coerce " + ret +
                                                    " to " + tc + ", use a cast instead");
            }
        return tc;
    }

	public static Class primClass(Symbol sym){
		if(sym == null)