There are a few methods you need to implement to become an enumerable and one of those is the each method.
Ruby times do with index.
0 04 the times iterator will take a number 0 07 execute the statements in the block that number of times.
The time class represents dates and times in ruby.
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Puts n2 n1 1000 puts n3 n2 1000 output 750000 750000 61 time in ms.
The each iterator returns all the elements of an array or a hash.
This class may be unable on your system to represent dates before 1970 or after 2038.
Iterators return all the elements of a collection one after the other.
Num gets chomp to i num times do puts ruby is great end the each loop.
The each loop is perhaps the most useful of all the loops.
Rubyの繰り返しの以下 6つについて timesメソッド for文 while文 until文 eachメソッド loopメソッド timesメソッド 一定の回数を繰り返す場合に使用する 指定回数を繰り返す 5 t.
It is a thin layer over the system date and time functionality provided by the operating system.
Ruby calls an object that can be iterated over an enumerable.
Let s look at these in detail.
And it provides an enumerable module that you can use to make an object an enumerable.
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We will be discussing two iterators here each and collect.
Each loop will take a list of variables and run a block of statements for each of them.
Use times iterator v 0 count times do v 1 end puts v n2 time now usec version 2.
V 0 for i in 0 count 1 v 1 end puts v n3 time now usec compute millisecond timings.
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Syntax collection each do variable code end.
Just like an array index the times index starts at 0.
Another kind of iterator in ruby that works specifically with 0 00 integers is the times iterator.
Ruby program that benchmarks iterator for loop count 750000 n1 time now usec version 1.