Syntax

declare #main-output has (binary-mode | text-mode | buffered | unbuffered)
    

By default, #main-output is written to in text mode: this is the default setting. Additionally, by default #main-output is buffered. declare #main-output has allows this behaviour to be changed explicitly. Changing both the mode and the buffering is possible, but requires two declarations.

For example:

  declare #main-output has binary-mode
  declare #main-output has unbuffered
          

This declaration should always be used in preference to the newline declaration for performing binary input or output.

Related Syntax #main-output binary-mode text-mode buffered, unbuffered

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