design.md

Learning objectives

• Know what a tuple is.
• Know how to define a tuple.
• Know how to name tuple fields.
• Know how to deconstruct tuples.
• Know that tuples are mutable.

Out of scope

• The old Tuple class.
• Pattern matching on tuples.
• How to add tuple pattern matching to your own and built-in types.
• Know that tuples have structural equality.

Concepts

• tuples: know what a tuple is; know how to define a tuple; know how to name tuple fields; know that tuples have structural equality; know how to deconstruct tuples; know that tuples are mutable.

Prerequisites

• basics: know how to define methods and variables.
• strings: obtaining sub-strings from a string

Representer

See this issue: handle tuple field names correctly in the representer.

Analyzer

See this representer issue: handle tuple field names correctly in the analyzer.