by jiangshan @jiangshanmeta
实现StartsWith<T, U>
,接收两个string类型参数,然后判断T
是否以U
开头,根据结果返回true
或false
例如:
type a = StartsWith<'abc', 'ac'> // expected to be false
type b = StartsWith<'abc', 'ab'> // expected to be true
type c = StartsWith<'abc', 'abcd'> // expected to be false