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macro_tools : more functions to manipulate generics, small refactoring
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@@ -326,4 +326,3 @@ pub mod exposed | |
| pub mod prelude | ||
| { | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,41 +1,148 @@ | ||
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| use super::*; | ||
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| // | ||
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| #[ test ] | ||
| fn assumptions() | ||
| { | ||
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| // let code : syn::ItemStruct = syn::parse_quote! | ||
| // { | ||
| // pub struct Struct1Former | ||
| // < | ||
| // Definition = Struct1FormerDefinition< (), Struct1, former::ReturnPreformed >, | ||
| // > | ||
| // {} | ||
| // }; | ||
| // tree_print!( code ); | ||
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| // let mut a : syn::Generics = parse_quote! | ||
| // { | ||
| // < 'a, T > | ||
| // }; | ||
| // let mut b : syn::AngleBracketedGenericArguments = parse_quote! | ||
| // { | ||
| // < (), Struct1, former::ReturnPreformed > | ||
| // }; | ||
| // let got = generics::merge( &a.into(), &b.into() ); | ||
| // // let got = definition_extra_generics; | ||
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| // let mut _got : syn::Generics = parse_quote! | ||
| // { | ||
| // < Struct1, former::ReturnPreformed > | ||
| // }; | ||
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| // let mut _got : syn::Generics = parse_quote! | ||
| // { | ||
| // < (), Struct1, former::ReturnPreformed > | ||
| // }; | ||
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| } | ||
| // | ||
| // use super::*; | ||
| // | ||
| // // | ||
| // | ||
| // #[ test ] | ||
| // fn assumptions() | ||
| // { | ||
| // | ||
| // // let code : syn::ItemStruct = syn::parse_quote! | ||
| // // { | ||
| // // pub struct Struct1Former | ||
| // // < | ||
| // // Definition = Struct1FormerDefinition< (), Struct1, former::ReturnPreformed >, | ||
| // // > | ||
| // // {} | ||
| // // }; | ||
| // // tree_print!( code ); | ||
| // | ||
| // // let mut a : syn::Generics = parse_quote! | ||
| // // { | ||
| // // < 'a, T > | ||
| // // }; | ||
| // // let mut b : syn::IntoGenericsArgs = parse_quote! | ||
| // // { | ||
| // // < (), Struct1, former::ReturnPreformed > | ||
| // // }; | ||
| // // let got = generics::merge( &a.into(), &b.into() ); | ||
| // // // let got = definition_extra_generics; | ||
| // | ||
| // // let mut _got : syn::Generics = parse_quote! | ||
| // // { | ||
| // // < Struct1, former::ReturnPreformed > | ||
| // // }; | ||
| // | ||
| // // let mut _got : syn::Generics = parse_quote! | ||
| // // { | ||
| // // < (), Struct1, former::ReturnPreformed > | ||
| // // }; | ||
| // | ||
| // } | ||
| // | ||
| // // | ||
| // | ||
| // #[ test ] | ||
| // fn into_generics_args_empty_generics() | ||
| // { | ||
| // use syn::{ Generics, IntoGenericsArgs }; | ||
| // | ||
| // let generics = Generics::default(); | ||
| // let exp = IntoGenericsArgs::default(); | ||
| // let got = generics.into_generics_args(); | ||
| // assert_eq!( exp, got, "Failed into_generics_args_empty_generics: expected {:?}, got {:?}", exp, got ); | ||
| // } | ||
| // | ||
| // // | ||
| // | ||
| // #[ test ] | ||
| // fn into_generics_args_single_type_parameter() | ||
| // { | ||
| // use syn::{ Generics, GenericParam, IntoGenericsArgs, GenericArgument, Type, TypePath, Ident }; | ||
| // | ||
| // let generics = Generics | ||
| // { | ||
| // params: vec![ GenericParam::Type( syn::TypeParam { ident: Ident::new( "T", proc_macro2::Span::call_site() ), ..Default::default() } ) ].into(), | ||
| // ..Default::default() | ||
| // }; | ||
| // let exp = IntoGenericsArgs | ||
| // { | ||
| // args: vec![ GenericArgument::Type( Type::Path( TypePath { qself: None, path: "T".into() } ) ) ], | ||
| // ..Default::default() | ||
| // }; | ||
| // let got = generics.into_generics_args(); | ||
| // assert_eq!( exp, got, "Failed into_generics_args_single_type_parameter: expected {:?}, got {:?}", exp, got ); | ||
| // } | ||
| // | ||
| // // | ||
| // | ||
| // #[ test ] | ||
| // fn into_generics_args_single_lifetime_parameter() | ||
| // { | ||
| // use syn::{ Generics, GenericParam, IntoGenericsArgs, GenericArgument, Lifetime }; | ||
| // | ||
| // let generics = Generics | ||
| // { | ||
| // params: vec![ GenericParam::Lifetime( syn::LifetimeDef { lifetime: Lifetime::new( "'a", proc_macro2::Span::call_site() ), ..Default::default() } ) ].into(), | ||
| // ..Default::default() | ||
| // }; | ||
| // let exp = IntoGenericsArgs | ||
| // { | ||
| // args: vec![ GenericArgument::Lifetime( Lifetime::new( "'a", proc_macro2::Span::call_site() ) ) ], | ||
| // ..Default::default() | ||
| // }; | ||
| // let got = generics.into_generics_args(); | ||
| // assert_eq!( exp, got, "Failed into_generics_args_single_lifetime_parameter: expected {:?}, got {:?}", exp, got ); | ||
| // } | ||
| // | ||
| // // | ||
| // | ||
| // #[ test ] | ||
| // fn into_generics_args_single_const_parameter() | ||
| // { | ||
| // use syn::{ Generics, GenericParam, IntoGenericsArgs, GenericArgument, Expr, ExprPath, Ident }; | ||
| // | ||
| // let generics = Generics | ||
| // { | ||
| // params: vec![ GenericParam::Const( syn::ConstParam { ident: Ident::new( "N", proc_macro2::Span::call_site() ), ..Default::default() } ) ].into(), | ||
| // ..Default::default() | ||
| // }; | ||
| // let exp = IntoGenericsArgs | ||
| // { | ||
| // args: vec![ GenericArgument::Const( Expr::Path( ExprPath { attrs: vec![], qself: None, path: "N".into() } ) ) ], | ||
| // ..Default::default() | ||
| // }; | ||
| // let got = generics.into_generics_args(); | ||
| // assert_eq!( exp, got, "Failed into_generics_args_single_const_parameter: expected {:?}, got {:?}", exp, got ); | ||
| // } | ||
| // | ||
| // // | ||
| // | ||
| // #[ test ] | ||
| // fn into_generics_args_mixed_parameters() | ||
| // { | ||
| // use syn::{ Generics, GenericParam, IntoGenericsArgs, GenericArgument, Type, TypePath, Lifetime, Expr, ExprPath, Ident }; | ||
| // | ||
| // let generics = Generics | ||
| // { | ||
| // params : vec! | ||
| // [ | ||
| // GenericParam::Type( syn::TypeParam { ident: Ident::new( "T", proc_macro2::Span::call_site() ), ..Default::default() } ), | ||
| // GenericParam::Lifetime( syn::LifetimeDef { lifetime: Lifetime::new( "'a", proc_macro2::Span::call_site() ), ..Default::default() } ), | ||
| // GenericParam::Const( syn::ConstParam { ident: Ident::new( "N", proc_macro2::Span::call_site() ), ..Default::default() } ) | ||
| // ].into(), | ||
| // ..Default::default() | ||
| // }; | ||
| // let exp = IntoGenericsArgs | ||
| // { | ||
| // args : vec! | ||
| // [ | ||
| // GenericArgument::Type( Type::Path( TypePath { qself: None, path: "T".into() } ) ), | ||
| // GenericArgument::Lifetime( Lifetime::new( "'a", proc_macro2::Span::call_site() ) ), | ||
| // GenericArgument::Const( Expr::Path( ExprPath { attrs: vec![], qself: None, path: "N".into() } ) ) | ||
| // ], | ||
| // ..Default::default() | ||
| // }; | ||
| // let got = generics.into_generics_args(); | ||
| // assert_eq!( exp, got, "Failed into_generics_args_mixed_parameters: expected {:?}, got {:?}", exp, got ); | ||
| // } |
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