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Hygienic macro: Applications, Measurement, Standards & Science

In computer science, hygienic macros are macros whose expansion is guaranteed not to cause the accidental capture of identifiers. They are a feature of programming languages such as Scheme, Dylan, Rust, Nim, and Julia. The general problem of accidental capture was well known in the Lisp community before the introduction of hygienic macros. Macro writers…

Language: English [EN]
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Hygienic macro topic overview

The analysis highlights Applications, Measurement, Standards and Science as prominent areas in the source structure around Hygienic macro.

Related topics
30
Source areas
5
Connected nodes
35
Extracted relationships
57
Concept neighborhoods
13
Bridge connections
35

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Implementations · 11 topics
Overview · 11 topics
The hygiene problem · 4 topics
Strategies used in languages that lack hygienic macros · 3 topics
Hygienic transformation · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

The hygiene problem

Strategies used in languages that lack hygienic macros

Hygienic transformation

Implementations

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Hygienic macro connects Entity context

The extracted context around Hygienic macro shows recurring relationship patterns in the source. For example, Hygienic macro → At, Bawden, Dybvig, In, KFFD, Kohlbecker, Macro, R5RS, Rees, Scheme, Shortly, Syntactic, The, Thesyntax-casesystem, Unlike, Wand Another extracted example is Hygienic macro → Although, Common Lisp, Elisp, However, In, Lisp-like, MacLisp, Similar, The, This. Use these groups to spot repeated connection types before inspecting the individual relationships.

Hygienic macro

Top relations

related to Implementations · 16
Hygienic macro → At, Bawden, Dybvig, In, KFFD, Kohlbecker, Macro, R5RS, Rees, Scheme, Shortly, Syntactic, The, Thesyntax-casesystem, Unlike, Wand
related to Temporary symbol creation · 10
Hygienic macro → Although, Common Lisp, Elisp, However, In, Lisp-like, MacLisp, Similar, The, This
related to Hygienic transformation · 6
Hygienic macro → For, Hygienic, In, Scheme, Scheme'slet-syntaxanddefine-syntaxmacro, This
related to References · 5
Hygienic macro → Hygienic Macros, On Lisp, Paul Grahamsyntax-rules, Scheme, Syntax-Case
related to Languages with hygienic macro systems · 4
Hygienic macro → ALGOL, NemerleDylanElixirNimRustHaxeMary2, Racket, Scheme
related to Criticism · 3
Hygienic macro → Doug Hoyte, Hygienic, Let Over Lambda
related to Variable shadowing · 2
Hygienic macro → In, Running

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

macro macros hygienic scheme hygiene problem capture symbol systems used lisp system standard syntax-rules use language expansion variable syntax-case languages

Hygienic macro relationships Subject–Predicate–Object triples

TTTA extracted 57 structured relationships around Hygienic macro. Examples in this analysis include Scheme → instance of → They are a feature of programming languages and in Common Lisp → instance of → similar togensym.PackagesUsing packages. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Schemeinstance ofThey are a feature of programming languages0.80text
Dylaninstance ofThey are a feature of programming languages0.80text
Rustinstance ofThey are a feature of programming languages0.80text
Niminstance ofThey are a feature of programming languages0.80text
and Juliainstance ofThey are a feature of programming languages0.80text
in Common Lispinstance ofsimilar togensym.PackagesUsing packages0.80text
the macro simply uses a private symbol from the package in which the macro is definedinstance ofsimilar togensym.PackagesUsing packages0.80text
in Common Lispinstance ofPackagesUsing packages0.80text
the macro simply uses a private symbol from the package in which the macro is definedinstance ofPackagesUsing packages0.80text
Scheme use a macro expansion process that preserves the lexical scoping of all identifiersinstance ofHygienic transformationHygienic macro systems in languages0.80text
prevents accidental captureinstance ofHygienic transformationHygienic macro systems in languages0.80text
Hygienic macrorelated to CriticismHygienic0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Hygienic macro bring nearby vocabulary together. In this analysis, examples include Macros, Capture and Expansion. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Hygienic macro
    • Macros
    • Capture
    • Expansion
    • Macro
    • Accidental
    • Systems
    • Variables
    • Use
    • System
    • Problem
    • Identifiers
    • Kohlbecker
  • hygienic macro
    • Macros
    • Capture
    • Expansion
    • Systems
    • Macro
    • Accidental
    • Scheme
    • Variables
    • Use
    • Used
    • System
    • Problem
  • macros
    • Language
    • Problem
    • Hygiene
    • Macro
    • Syntax-case
    • Standard
    • Syntax-rules
    • Systems
    • Alternative
    • Matching
    • Pattern
    • However
  • the hygiene problem
    • Solution
    • Systems
    • Variable
    • Hygiene
    • Problem
    • System
    • Alternative
    • Syntax-case
    • Macros
    • Macro
    • Syntax-rules
    • Hygienic
  • strategies used in languages that lack hygienic macros
    • Macros
    • Capture
    • Definition
    • Expansion
    • Symbol
    • Macro
    • Accidental
    • Variables
    • Systems
    • Language
    • Problem
    • Variable
  • hygienic transformation
    • Macros
    • Capture
    • Expansion
    • Macro
    • Accidental
    • Systems
    • Problem
    • Identifiers
    • Kohlbecker
    • Scheme
    • Hygiene
    • Languages
  • common lisp
    • Common
    • Lisp
    • Package
    • Standard
    • Functions
    • Problem
    • Similar
    • However
    • Languages
    • Macro
    • Using
    • Macros
  • lisp
    • Common
    • Package
    • Standard
    • Functions
    • Problem
    • Macro
    • Macros
    • Solution
    • Similar
    • Closures
    • However
    • Name

Connections between topic areas Semantic bridges

For Hygienic macro, one of the stronger structural bridges in this analysis connects Hygienic macro with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Hygienic macro — Overview · splits 24 ⟂ 12
Hygienic macro — Implementations · splits 24 ⟂ 12
Hygienic macro — The hygiene problem · splits 31 ⟂ 5
Hygienic macro — Strategies used in languages that lack hygienic macros · splits 32 ⟂ 4

Map overview Semantic statistics

Hygienic macro

Nodes36
Edges35
Triples57
Avg. degree1.94
Density0.055556
Components1

Source & methodology

TTTA analyzes the structure around Hygienic macro to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Applications, Measurement, Standards & Science, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Hygienic macro · EN edition · Analysis: TopicsToTalkAbout

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