gfx
https://blog.hatena.ne.jp/gfx/
Islands in the byte stream (legacy)
https://gfx.hatenadiary.org/
"Perl Best Practices" recommends to use "return;"*1 to return nothing, but it might be wrong in some cases. If you use this idiom for those functions which are expected to return a scalar value, e.g. searching functions, the user of those functions will be surprised at what they return in list conte…
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Hatena Blog
https://hatena.blog
2010-01-26 11:59:14
The difference of "return;" and "return undef;"
rich
https://gfx.hatenadiary.org/entry/20100126/1264474754
1.0
100%