摘要:
尾递归: https://en.wikipedia.org/wiki/Tail_call 'Tail calls can be implemented without adding a new stack frame to the call stack' 如果语言对尾递归的情况做过优化,那么在调用时 阅读全文
摘要:
expression: an expression evaluates to a value only statement: a statement containing executable code definition: a definition instantiating an identi 阅读全文