From 4639b36b53fd369024d90e95b0178e4fae0a4203 Mon Sep 17 00:00:00 2001 From: Valentin Gagarin Date: Fri, 20 May 2022 23:56:47 +0200 Subject: [PATCH] use reference links for URLs --- doc/manual/src/architecture/architecture.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/doc/manual/src/architecture/architecture.md b/doc/manual/src/architecture/architecture.md index c0fd1b0b5..4dfe34fd6 100644 --- a/doc/manual/src/architecture/architecture.md +++ b/doc/manual/src/architecture/architecture.md @@ -5,7 +5,7 @@ It should help users understand why Nix behaves as it does, and it should help d ## Overview -Nix consists of hierarchical [layers](https://en.m.wikipedia.org/wiki/Multitier_architecture#Layers). +Nix consists of [hierarchical layers][layer-architecture]. ``` +-----------------------------------------------------------------+ @@ -29,7 +29,7 @@ Nix consists of hierarchical [layers](https://en.m.wikipedia.org/wiki/Multitier_ At the top is the [command line interface](../command-ref/command-ref.md), translating from invocations of Nix executables to interactions with the underlying layers. -Below that is the [Nix expression language](../expressions/expression-language.md), a [purely functional](https://en.m.wikipedia.org/wiki/Purely_functional_programming) configuration language. +Below that is the [Nix expression language](../expressions/expression-language.md), a [purely functional][purely-functional-programming] configuration language. It is used to compose expressions which ultimately evaluate to self-contained *build plans*, made up *build tasks* used to derive *build results* from referenced *build inputs*. ::: {.note} @@ -43,3 +43,5 @@ The command line and Nix language are what users interact with most. Underlying these is the [Nix store](./store/store.md), a mechanism to keep track of build plans, data, and references between them. It can also execute *build instructions*, captured in the build tasks, to produce new data. +[layer-architecture]: https://en.m.wikipedia.org/wiki/Multitier_architecture#Layers +[purely-functional-programming]: https://en.m.wikipedia.org/wiki/Purely_functional_programming