no_std_compat::cmp::Eq - Rust

func.rs.html -- source

unwrap (); let mut visitor = FnVisitor { … Parse into syn::ItemFn, which includes a signature. Foreign function definition (ex. fn foo(x: usize) -> bool ) Parse into Struct syn::ForeignItemFn , which includes a signature. use proc_macro:: TokenStream; use syn:: ItemFn; #[proc_macro_attribute] pub fn jailed_test(_attrs: TokenStream, item: TokenStream) -> TokenStream {let input = syn::parse_macro_input! (item as ItemFn); let fn_name = input.

Syn itemfn

Struct syn:: ItemFn [−] pub struct ItemFn { pub attrs: Vec < Attribute >, pub vis: Visibility , pub sig: Signature , pub block: Box < Block >, } A free-standing function: fn process(n: usize) -> Result<()> { syn. :: Item. [. −. ] [src] Things that can appear directly inside of a module or scope.

func.rs.html -- source

Contribute to dtolnay/syn development by creating an account on GitHub. Se hela listan på blog.rust-lang.org The NamedDecl type since it is only used once; I would move that logic into impl ToTokens for ItemFn. The FnDecl type; syn has it to share with extern fns, trait methods and impl methods, but you don't have those. The ItemFn::variadic field, since only extern functions can be variadic.

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use syn:: {ItemFn, ItemStruct, DeriveInput, parse:: {Parse, ParseStream, Result}, LitStr, Token}; # [derive (Debug)] struct PathArgs {.

Optional features. syn-mid in the default features aims to provide the features between "full" and "derive" of syn. It took a little work reading the syn documentation, but once we got the hang of it, we can now work with real Rust source code and turn it into something we can use. Oh, before we go, let's clean one thing up. Parser for Rust source code. Contribute to dtolnay/syn development by creating an account on GitHub.
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A free-standing function: fn process (n: usize) -> Result< ()> { }. Struct syn:: ItemFn [−] pub struct ItemFn { pub attrs: Vec < Attribute >, pub vis: Visibility , pub constness: Option < Const >, pub unsafety: Option < Unsafe >, pub abi: Option < Abi >, pub ident: Ident , pub decl: Box < FnDecl >, pub block: Box < Block >, } syn [ − ] [src] Struct syn :: ItemFn pub struct ItemFn { pub attrs: Vec < Attribute >, pub vis: Visibility , pub constness: Option < Const >, pub asyncness: Option < Async >, pub unsafety: Option < Unsafe >, pub abi: Option < Abi >, pub ident: Ident , pub decl: Box < FnDecl >, pub block: Box < Block >, } syn. :: ItemFn. [ +] Show declaration.
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:: Item. [. −. ] [src] Things that can appear directly inside of a module or scope.