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Programming-Idioms

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  • C++

Idiom #59 Write to standard error stream

Print the message "x is negative" to standard error (stderr), with integer x value substitution (e.g. "-2 is negative").

#include <iostream>
std::cerr << x << " is negative\n";
#include<iostream>
int main(){
	int x = -2;
	std::cerr << x <<" is negative\n";
}
with Ada.Text_IO;
use Ada.Text_IO;
Put_Line (Standard_Error, Integer'Image (X) & " is negative");

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