Update deps

Cargo.toml

@@ -1,6 +1,6 @@
 [workspace.package]
 edition = "2021"
-version = "0.5.0"
+version = "0.5.2"
 authors = ["Oliver Tale-Yazdi <[email protected]>"]
 license = "GPL-3.0-only"
 repository = "https://github.com/ggwpez/typesafe-builders"
@@ -24,7 +24,7 @@ typesafe-builders-core = { path = "typesafe-builders-core", version = "0.5.0" }
 typesafe-builders-derive = { path = "typesafe-builders-derive", version = "0.5.0" }
 
 # External deps
-derive-syn-parse = { version = "0.1.5", default-features = false }
-proc-macro2 = { version = "1.0.56", default-features = false }
-quote = { version = "1.0.26", default-features = false }
-syn = "2.0.15"
+derive-syn-parse = { version = "0.2.0", default-features = false }
+proc-macro2 = { version = "1.0.101", default-features = false }
+quote = { version = "1.0.40", default-features = false }
+syn = "2.0.106"

MAINTAIN

@@ -1,9 +1,9 @@
 Without any un-staged changes:
 
 ```bash
-git tag -s -f typesafe-builders@0.4.1 -m "typesafe-builders v0.4.1"
-git tag -s -f typesafe-builders-core@0.4.1 -m "typesafe-builders-core v0.4.1"
-git tag -s -f typesafe-builders-derive@0.4.1 -m "typesafe-builders-derive v0.4.1"
+git tag -s -f typesafe-builders@0.5.1 -m "typesafe-builders v0.5.1"
+git tag -s -f typesafe-builders-core@0.5.1 -m "typesafe-builders-core v0.5.1"
+git tag -s -f typesafe-builders-derive@0.5.1 -m "typesafe-builders-derive v0.5.1"
 
 cargo publish -p typesafe-builders-core && cargo publish -p typesafe-builders-derive && cargo publish -p typesafe-builders
 ```

README.md

@@ -27,29 +27,27 @@ No more worrying whether the `build` call on your builder will return `Ok` or no
 ```rust
 use typesafe_builders::prelude::*;
 
-fn main() {
-	#[derive(Builder)]
-	struct Point {
-		#[builder(constructor)]
-		x: u8,
-		y: u8,
-		#[builder(optional)]
-		z: Option<u8>,
-	}
+#[derive(Builder)]
+struct Point {
+	#[builder(constructor)]
+	x: u8,
+	y: u8,
+	#[builder(optional)]
+	z: Option<u8>,
+}
 
-	// `builder` requires `x` since it is marked as `constructor`.
-	let builder = Point::builder(1);
-	// These do not compile:
-	// partial.x(6); 		// `x` is already set
-	// partial.build();		// `y` is not set
+// `builder` requires `x` since it is marked as `constructor`.
+let builder = Point::builder(1);
+// These do not compile:
+// partial.x(6); 		// `x` is already set
+// partial.build();		// `y` is not set
 
-	// `build` is only available once all required fields are set:
-	let result = builder.y(2).build();
+// `build` is only available once all required fields are set:
+let result = builder.y(2).build();
 
-	assert_eq!(result.x, 1);
-	assert_eq!(result.y, 2);
-	assert_eq!(result.z, None);
-}
+assert_eq!(result.x, 1);
+assert_eq!(result.y, 2);
+assert_eq!(result.z, None);
 ```
 
 
@@ -97,12 +95,10 @@ pub struct Struct {
 	x: u8,
 }
 
-fn main() {
-	// without x
-	Struct::builder().build();
-	 // with x
-	Struct::builder().x(4).build();
-}
+// without x
+Struct::builder().build();
+	// with x
+Struct::builder().x(4).build();
 ```
 
 ### Constructor
@@ -118,11 +114,10 @@ pub struct Struct {
 	x: u8,
 }
 
-fn main() {
-	Struct::builder(4).build();
-	// does not work:
-	// Struct::builder(4).x(5).build();
-}
+Struct::builder(4).build();
+
+// This does not compile since `x` is already set:
+// Struct::builder(4).x(5).build();
 ```
 
 ### Decay
@@ -138,10 +133,8 @@ pub struct Struct {
 	x: Option<u8>,
 }
 
-fn main() {
-	// Use `4` instead of `Some(4)`
-	Struct::builder().x(4).build();
-}
+// You can use `4` now instead of `Some(4)`:
+Struct::builder().x(4).build();
 ```
 
 # How does it work?
@@ -188,9 +181,7 @@ pub struct Struct<'a, 'b, 'c> {
 	x: &'a Box<&'b Option<&'c str>>, // yikes
 }
 
-fn main() {
-	Struct::builder().x(&Box::new(&Some("hi"))).build();
-}
+Struct::builder().x(&Box::new(&Some("hi"))).build();
 ```
 
 ### Generics
@@ -207,9 +198,7 @@ mod other {
 	}
 }
 
-fn main() {
-	other::Struct::<u8>::builder().y(Some(4)).build();
-}
+other::Struct::<u8>::builder().y(Some(4)).build();
 ```
 
 ### Const Generics
@@ -226,9 +215,7 @@ mod other {
 	}
 }
 
-fn main() {
-	other::Struct::<1>::builder().x([1]).build();
-}
+other::Struct::<1>::builder().x([1]).build();
 ```
 
 # TODOs

rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2023-05-04"
+channel = "nightly-2025-09-01"
 components = [ "rustfmt", "clippy" ]
 profile = "minimal"

typesafe-builders-core/src/lib.rs

@@ -51,11 +51,8 @@ struct ParsedFieldAttr {
 
 pub fn impl_derive_builder(ast: &syn::DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
 	let syn::Data::Struct(ref s) = ast.data else {
-		return Err(syn::Error::new_spanned(
-			ast,
-			"derive(Builder) can only be used on structs",
-		));
-    };
+		return Err(syn::Error::new_spanned(ast, "derive(Builder) can only be used on structs"));
+	};
 	let mut user_generics_def = Vec::<&syn::GenericParam>::new();
 	let mut user_generics_impl = Vec::<proc_macro2::TokenStream>::new();
 	let mut user_generics_alias = Vec::<proc_macro2::TokenStream>::new();

typesafe-builders/Cargo.toml

@@ -18,4 +18,4 @@ typesafe-builders-core.workspace = true
 typesafe-builders-derive.workspace = true
 
 [dev-dependencies]
-trybuild = "1.0.80"
+trybuild = "1.0.90"

typesafe-builders/tests/ui/reject/builder_priv.stderr

@@ -7,5 +7,5 @@ error[E0603]: struct `Struct` is private
 note: the struct `Struct` is defined here
   --> tests/ui/reject/builder_priv.rs:5:2
    |
-5  |     struct Struct {
+ 5 |     struct Struct {
    |     ^^^^^^^^^^^^^

typesafe-builders/tests/ui/reject/field_attr/ctor/missing_arg.stderr

@@ -2,18 +2,18 @@ error[E0061]: this function takes 1 argument but 0 arguments were supplied
   --> tests/ui/reject/field_attr/ctor/missing_arg.rs:10:2
    |
 10 |     Struct::builder().build();
-   |     ^^^^^^^^^^^^^^^-- an argument of type `u8` is missing
+   |     ^^^^^^^^^^^^^^^-- argument #1 of type `u8` is missing
    |
 note: associated function defined here
   --> tests/ui/reject/field_attr/ctor/missing_arg.rs:3:10
    |
-3  | #[derive(Builder)]
+ 3 | #[derive(Builder)]
    |          ^^^^^^^
 ...
-6  |     x: u8,
+ 6 |     x: u8,
    |     -----
    = note: this error originates in the derive macro `Builder` (in Nightly builds, run with -Z macro-backtrace for more info)
 help: provide the argument
    |
 10 |     Struct::builder(/* u8 */).build();
-   |                    ~~~~~~~~~~
+   |                     ++++++++

typesafe-builders/tests/ui/reject/field_missing_required_2.rs

@@ -1,7 +1,7 @@
-use typesafe_builders::prelude::*;
-
 //! `Option` is *not* treated as optional.
 
+use typesafe_builders::prelude::*;
+
 #[derive(Builder)]
 struct Struct {
 	x: Option<u8>,

typesafe-builders/tests/ui/reject/field_missing_required_2.stderr

@@ -1,23 +1,7 @@
-error[E0753]: expected outer doc comment
- --> tests/ui/reject/field_missing_required_2.rs:3:1
-  |
-3 |   //! `Option` is *not* treated as optional.
-  |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-...
-6 | / struct Struct {
-7 | |     x: Option<u8>,
-8 | | }
-  | |_- the inner doc comment doesn't annotate this struct
-  |
-help: to annotate the struct, change the doc comment from inner to outer style
-  |
-3 | /// `Option` is *not* treated as optional.
-  |   ~
-
 error[E0599]: no method named `build` found for struct `GenericStructBuilder<false>` in the current scope
-  --> tests/ui/reject/field_missing_required_2.rs:11:20
-   |
-5  | #[derive(Builder)]
+ --> tests/ui/reject/field_missing_required_2.rs:11:20
+  |
+ 5 | #[derive(Builder)]
    |          ------- method `build` not found for this struct
 ...
 11 |     Struct::builder().build();

typesafe-builders/tests/ui/reject/field_set_constructor.stderr

@@ -1,7 +1,7 @@
 error[E0599]: no method named `x` found for struct `GenericStructBuilder<true>` in the current scope
-  --> tests/ui/reject/field_set_constructor.rs:10:29
-   |
-3  | #[derive(Builder)]
+ --> tests/ui/reject/field_set_constructor.rs:10:29
+  |
+ 3 | #[derive(Builder)]
    |          ------- method `x` not found for this struct
 ...
 10 |     let r = Struct::builder(2).x(3).build();