How to resolve the algorithm Return multiple values step by step in the ALGOL 68 programming language

Published on 12 May 2024 09:40 PM
#Algol 68

How to resolve the algorithm Return multiple values step by step in the ALGOL 68 programming language

Table of Contents

Problem Statement

Show how to return more than one value from a function.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Return multiple values step by step in the ALGOL 68 programming language

Source code in the algol programming language

# example mode for returning multiple values from a procedure #
MODE PAIR = STRUCT( STRING name, INT value );

# procedure returning multiple values via a structure #
PROC get pair = ( INT a )PAIR:
    CASE a
    IN #1#    ( "H",  0 )
    ,  #2#    ( "He", 1 )
    ,  #3#    ( "Li", 3 )
    OUT       ( "?",  a )
    ESAC
;

main: (
    # use the result as a whole #
    print( ( get pair( 3 ), newline ) );
    # access the components separately #
    print( ( name OF get pair( 1 ), value OF get pair( 2 ), newline ) )
)

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