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Recommend having document-features as an optional dependency #8

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97ee245
Make default example compatible with cargo check
emilk Jun 10, 2022
42312c7
Merge branch 'master' into improve-docs
emilk Sep 15, 2022
ba776da
add a hash
emilk Sep 15, 2022
40ec6a5
just enable document-features
emilk Sep 15, 2022
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7 changes: 5 additions & 2 deletions README.md
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Expand Up @@ -5,15 +5,18 @@

This crate provides a macro that extracts documentation comments from Cargo.toml

To use this crate, add `#![doc = document_features::document_features!()]` in your crate documentation.
To use this crate, add `#![cfg_attr(feature = "document-features", doc = document_features::document_features!())]` in your crate documentation.
The `document_features!()` macro reads your `Cargo.toml` file, extracts feature comments and generates
a markdown string for your documentation.

Use `## ` and `#! ` comments in your Cargo.toml to document features, for example:

```toml
[package.metadata.docs.rs]
all-features = true # ensures that `document-features` is enabled when building docs

[dependencies]
document-features = "0.2"
document-features = { version = "0.2", optional = true }
## ...

[features]
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7 changes: 5 additions & 2 deletions lib.rs
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Expand Up @@ -6,7 +6,7 @@ Document your crate's feature flags.

This crates provides a macro that extracts "documentation" comments from Cargo.toml

To use this crate, add `#![doc = document_features::document_features!()]` in your crate documentation.
To use this crate, add `#![cfg_attr(feature = "document-features", doc = document_features::document_features!())]` in your crate documentation.
The `document_features!()` macro reads your `Cargo.toml` file, extracts feature comments and generates
a markdown string for your documentation.

Expand All @@ -16,7 +16,7 @@ Basic example:
//! Normal crate documentation goes here.
//!
//! ## Feature flags
#![doc = document_features::document_features!()]
#![cfg_attr(feature = "document-features", doc = document_features::document_features!())]

// rest of the crate goes here.
```
Expand Down Expand Up @@ -48,6 +48,9 @@ in where they occur. Use them to group features, for example.
name = "..."
## ...

[package.metadata.docs.rs]
all-features = true # ensures that `document-features` is enabled when building docs

[features]
default = ["foo"]
##! This comments goes on top
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