History of Idiom 117 > diff from v22 to v23

Edit summary for version 23 by :
New Elixir implementation by user [iamd3vil]

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Version 22

2016-02-17, 16:56:07

Version 23

2016-02-18, 16:58:03

Idiom #117 Get list size

Set n to the number of elements of list x.

Idiom #117 Get list size

Set n to the number of elements of list x.

Imports

with Ada.Containers.Vectors;
use Ada.Containers;

Code

N : Count_Type := X.Length;

Rust

Rust

Code

let n = x.len();

Code

let n = x.len();

Doc URL

http://rustbyexample.com/primitives/array.html

Doc URL

http://rustbyexample.com/primitives/array.html

Perl

Perl

Code

my $N = @x;

Code

my $N = @x;

Comments bubble

I like to be more explicit, using $N = scalar @x; but some people consider that overly verbose.

Comments bubble

I like to be more explicit, using $N = scalar @x; but some people consider that overly verbose.

Pascal

Pascal

Code

n := length(x);

Code

n := length(x);

Comments bubble

x is some type of array.

Comments bubble

x is some type of array.

Code

n := len(x)

Code

n := len(x)

Comments bubble

x is a slice or an array.

Comments bubble

x is a slice or an array.

Doc URL

https://golang.org/pkg/builtin/#len

Doc URL

https://golang.org/pkg/builtin/#len

Demo URL

http://play.golang.org/p/e-8WVe52yM

Demo URL

http://play.golang.org/p/e-8WVe52yM

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History of Idiom 117 > diff from v22 to v23

Version 22

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Idiom #117 Get list size

Idiom #117 Get list size

Imports

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Doc URL

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