/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
学了C++的函数模板和标准函数模板后, 对Java的泛型和Collection框架中的Map<K, V>, List<T>这种写法就更明白了, 原来都是一个套路.
2017-09-18