Retrieving an Element of an Array: Difference between revisions

From Rosetta Code
Content added Content deleted
No edit summary
(blanked page since people can't / don't read)
 
(158 intermediate revisions by 54 users not shown)
Line 1: Line 1:
{{task}}
{{DeprecatedTask}}

'''Please do not add new code, and merge existing code to the [[Arrays]] task.'''


In this task, the goal is to retrieve an element of an [[array]].
In this task, the goal is to retrieve an element of an [[array]].

==[[mIRC]]==
'''Interpeter:''' mIRC Script Editor
'''Library:''' [[mArray Snippet]]
alias readmyarray { echo -a $array_read(MyArray, 2, 3) }

==[[C]]==
int array_index(int array[], int index) {
return array[index];
}
==[[C++]]==
template <class T>
T array_index(T *array, int index) {
return array[index];
}
==[[C#]]==
int getArrayValue( int values[], int index ) {
return values[index];
}


==[[Common Lisp]]==
(defun array-value (array index)
(aref array index))

==[[Perl]]==

'''Interpreter:''' [[Perl]] 5.8.8
$elem = $array[0];

==[[Ruby]]==
ary = ['Ruby','rules','big','time']
#the first element
element = ary[0]
#or
element = ary.first
element => 'Ruby'

#the last element
element = ary[-1]
#or
element = ary.last
element => 'time'

#retrieving different values at once
elements = ary.values_at(0,2,3)
elements => ['Ruby','big','time']
==x86 assembly==
'''Assembler:''' nasm
mov esi, array_offset
mov ebx, 2
mov eax, [esi+ebx*4]

{{array operation}}

Latest revision as of 15:06, 29 November 2019

Retrieving an Element of an Array was a programming task. It has been deprecated for reasons that are discussed in its talk page.

Please do not add new code, and merge existing code to the Arrays task.

In this task, the goal is to retrieve an element of an array.