Cargo Features
[dependencies]
syn-next = { version = "1.0.0-rc4", default-features = false, features = ["full", "derive", "parsing", "printing", "visit", "visit-mut", "fold", "clone-impls", "extra-traits", "proc-macro"] }- default = clone-impls, derive, parsing, printing, proc-macro
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These default features are set whenever
syn-nextis added withoutdefault-features = false - full
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Affects
fold::Fold.fold_arm,fold::Fold.fold_block,fold::Fold.fold_expr_array,fold::Fold.fold_expr_assign,fold::Fold.fold_expr_assign_op,fold::Fold.fold_expr_async,fold::Fold.fold_expr_await,fold::Fold.fold_expr_block,fold::Fold.fold_expr_box,fold::Fold.fold_expr_break,fold::Fold.fold_expr_closure,fold::Fold.fold_expr_continue,fold::Fold.fold_expr_for_loop,fold::Fold.fold_expr_group,fold::Fold.fold_expr_if,fold::Fold.fold_expr_let,visit::Visit.visit_arm,visit::Visit.visit_block,visit::Visit.visit_expr_array,visit::Visit.visit_expr_assign… - derive default
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Affects
fold::Fold.fold_data,fold::Fold.fold_data_enum,fold::Fold.fold_data_struct,fold::Fold.fold_data_union,fold::Fold.fold_derive_input,fold::fold_data,fold::fold_data_enum,fold::fold_data_struct,fold::fold_data_union,fold::fold_derive_input,visit::Visit.visit_data,visit::Visit.visit_data_enum,visit::Visit.visit_data_struct,visit::Visit.visit_data_union,visit::Visit.visit_derive_input,visit::visit_data,visit::visit_data_enum,visit::visit_data_struct,visit::visit_data_union,visit::visit_derive_input… - parsing default
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Affects
attr::parsing,data::parsing,derive::parsing,error::new_at,file::parsing,generics::parsing,ident::Ident,item::parsing,syn-next::group,syn-next::buffer,syn-next::ext,syn-next::parse_quote,syn-next::parse,syn-next::parse_str,lifetime::Lifetime,lit::Lit,mac::parse_delimiter,sealed::lookahead,span::FromSpans,token::Token… - printing default = quote-next
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Affects
generics::ImplGenerics,generics::TypeGenerics,generics::Turbofish,token::printing,syn-next::spanned… - visit
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Affects
gen_helper::visit… - visit-mut
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Affects
gen_helper::visit_mut… - fold
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Affects
gen_helper::fold… - clone-impls default
- extra-traits
- proc-macro default
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Enables proc-macro of proc-macro2-next and quote-next
quote-next:
Disabling the proc-macro feature removes the dynamic library dependency on libproc_macro in the rustc compiler.
Affects
parse::Parser.parse,syn-next::parse_macro_input,syn-next::parse…
Features from optional dependencies
In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.