On 11 January 2018 at 15:22, Gary Gregory <garydgreg...@gmail.com> wrote: > Hi, > > Some APIs, either due to age or design, deal out an Iterator and nothing > else. And sometimes, all I care about (in tests, for example, or if the > list is a set of aliases) is the first object. > > The method IteratorUtils.first(Iterator) is a shorthand for > IteratorUtils.get(Iterator, 0).
The code method is only shorter by one character and that is a space. This will just add unnecessary code and maintenance costs. > I do not plan to add last(), the obvious sibling to such a method, YAGNI > for now. > > Gary > > > On Thu, Jan 11, 2018 at 2:52 AM, sebb <seb...@gmail.com> wrote: > >> Also, what is the use case for such methods? >> How many will there be - i.e. do you plan to add .last, .second, .random? >> >> I'm not keen on methods that save a few lines of code unless there's a >> common use case and the behaviour is obvious/unambiguous from the >> name. >> >> On 11 January 2018 at 07:45, Claude Warren <cla...@xenei.com> wrote: >> > does first return the first object or the first non-null object? >> > >> > If the first object how do you distinguish between first() returning a >> null >> > object and there being an empty container? >> > If the first non-null object how do you determine that nulls were >> skipped? >> > >> > Keep in mind that the Optional implementation in Java8 will throw an >> > exception if it is constructed with a null object. >> > >> > On Wed, Jan 10, 2018 at 4:45 PM, Gary Gregory <garydgreg...@gmail.com> >> > wrote: >> > >> >> Hi All, >> >> >> >> I plan on adding methods like: >> >> - IteratorUtils.first(Iterator) >> >> - IterableUtils.first(Iterable) >> >> >> >> Gary >> >> >> > >> > >> > >> > -- >> > I like: Like Like - The likeliest place on the web >> > <http://like-like.xenei.com> >> > LinkedIn: http://www.linkedin.com/in/claudewarren >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org >> For additional commands, e-mail: dev-h...@commons.apache.org >> >> --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
