Node:Port Types, Next:I/O Extensions, Previous:Default Ports, Up:Input and Output

27.9 Types of Port

[Types of port; how to make them.]

• File Ports: Ports on an operating system file.
• String Ports: Ports on a Scheme string.
• Soft Ports: Ports on arbitrary Scheme procedures.
• Void Ports: Ports on nothing at all.