Editing Idiom 169 : String length

Idiom

# 169 String length

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Assign to integer _n the number of characters of string _s.

This can be different from the number of bytes of _s.

Implementation

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size_t n = s.length;

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Implementation edit is for fixing errors and enhancing with metadata.

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Other implementations

int n = s.length();

const n = s.length;

import "unicode/utf8"

n := utf8.RuneCountInString(s)

n = s.length

uses LazUtf8;

n := length(s);

int n = s.length;

n = s.size

uses LazUtf8;

n := Utf8Length(s);

std.range;

size_t n = s.walkLength;

import std.uni, std.range;

size_t n = s.byGrapheme.walkLength;

n = len(s)

n = length s

uses sysutils;

n := s.length;

n = String.length s

local n = utf8.len(s)

let n = s.chars().count();

my $n = length( $s );

$n = mb_strlen($s, 'UTF-8');

int n = s.Length;

val n = s.length()

(setf n (length s))

(length s)

(def n (.codePointCount s 0 (count s)))

n = len(s)

val n = s.length

N = string:length(S)

IDENTIFICATION DIVISION.
PROGRAM-ID. length.
PROCEDURE DIVISION.
   MOVE FUNCTION LENGTH(s) TO n
STOP RUN.

s : String := "Hello World";
n : Integer := s'Length;

Dim s As String = "1234567"
Dim n As Integer = s.Length