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Programming-Idioms

  • Rust
  • Js

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").

console.error(x, "is negative");
console.error(`${x} is negative`);
const util = require("util");
console.error(util.format("%d is negative", x));
eprintln!("{} is negative", x);
with Ada.Text_IO;
use Ada.Text_IO;
Put_Line (Standard_Error, Integer'Image (X) & " is negative");

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