Bytecounter | Chapter 7 | Zero to Hero

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Bytecounter

Bytecounter demonstrates an implementation of io.Writer that counts bytes.

Book Reference

📖 p.173

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Learning Goals

Study this example to understand:

Define interfaces
Use type assertions

Ctrl+Enter Run Ready

▼ Output

Press Run or Ctrl+Enter to execute your code.

← Urlvalues Eval →

⌨️ Program Input

This program reads from standard input or command-line arguments.

Command-line Arguments (os.Args)

Space-separated, e.g.: arg1 arg2 "arg with spaces"

Standard Input (os.Stdin)

Enter the text that will be provided to the program

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