How to Design Programs Languages

1`` | Beginning Student
2`` | Beginning Student with List Abbreviations
3`` | Intermediate Student
4`` | Intermediate Student with Lambda
5`` | Advanced Student
| Index

Version: 4.0.2
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#### 3.7`` Identifiers

id

An id refers to a defined constant (possibly local), defined function (possibly local), or argument within a function body. If no definition or argument matches the id name, an error is reported.

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