/usr/lib/gcc/x86_64-alpine-linux-musl/6.3.0/../../../../x86_64-alpine-linux-musl/bin/ld: cannot open output file index: No such file or directory
collect2: error: ld returned 1 exit status
collect2: error: ld returned 1 exit status
學了C++的函數模板和標準函數模板后, 對Java的泛型和Collection框架中的Map<K, V>, List<T>這種寫法就更明白了, 原來都是一個套路.
2017-09-18