Re^3: How to check if a variable's value is equal to a member of a list of values

[LanX]

It should

smartmatch is implemented in C

grep doesn't stop after matching.

Unfortunately all the use cases of smartmatch are hard to remember.

For repeated lookups a prepared hash scales certainly better.

You're free to check this with benchmarks or search for older discussions.¹

I hoped smartmatch could at least handle the stringification limitation of hashes, but nope:

  DB<141> $h1={}
 => {}

  DB<142> $h1 ~~ [$h1]
 => ""

  DB<143> 5 ~~ [5]
 => 1

Update

¹) Brian got deep into benchmarking :) http://stackoverflow.com/questions/3951812/how-fast-is-perls-smart-match-operator-for-searching-scalar-in-an-array

[McA]

Thank you. An intersting link. I have to admit that I haven't worked with the smart match operator. It's a little bit too much "Eierlegendenwollmilchsau" (1) for me. And what I read about it confirmed to wait with it. But probably I'm too old fashioned.

McA

(1) Best translation I could find on dict.leo.org: jack of all trades device