examples: upgrade to new version of dioxus core.
also add the inline_props macro
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@@ -0,0 +1,102 @@
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use proc_macro2::{Span, TokenStream as TokenStream2};
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use quote::{quote, ToTokens, TokenStreamExt};
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use syn::{
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parse::{Parse, ParseStream},
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punctuated::Punctuated,
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token, Block, FnArg, Generics, Ident, Result, ReturnType, Token, Visibility,
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};
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pub struct InlinePropsBody {
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pub vis: syn::Visibility,
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pub fn_token: Token![fn],
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pub ident: Ident,
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pub cx_token: Ident,
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pub generics: Generics,
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pub paren_token: token::Paren,
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pub inputs: Punctuated<FnArg, Token![,]>,
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// pub fields: FieldsNamed,
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pub output: ReturnType,
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pub block: Box<Block>,
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}
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/// The custom rusty variant of parsing rsx!
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impl Parse for InlinePropsBody {
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fn parse(input: ParseStream) -> Result<Self> {
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let vis: Visibility = input.parse()?;
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let fn_token = input.parse()?;
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let ident = input.parse()?;
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let generics = input.parse()?;
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let content;
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let paren_token = syn::parenthesized!(content in input);
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let cx_token: Ident = content.parse()?;
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let _: Token![:] = content.parse()?;
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let _: Ident = content.parse()?;
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let _: Result<Token![,]> = content.parse();
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let inputs = syn::punctuated::Punctuated::parse_terminated(&content)?;
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let output = input.parse()?;
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let block = input.parse()?;
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Ok(Self {
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vis,
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fn_token,
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ident,
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generics,
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paren_token,
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inputs,
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output,
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block,
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cx_token,
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})
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}
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}
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/// Serialize the same way, regardless of flavor
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impl ToTokens for InlinePropsBody {
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fn to_tokens(&self, out_tokens: &mut TokenStream2) {
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let Self {
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vis,
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ident,
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generics,
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inputs,
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output,
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block,
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cx_token,
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..
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} = self;
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let fields = inputs.iter().map(|f| {
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quote! { #vis #f }
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});
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let struct_name = Ident::new(&format!("{}Props", ident), Span::call_site());
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let field_names = inputs.iter().filter_map(|f| match f {
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FnArg::Receiver(_) => todo!(),
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FnArg::Typed(t) => Some(&t.pat),
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});
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let modifiers = if generics.params.is_empty() {
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quote! { #[derive(Props, PartialEq)] }
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} else {
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quote! { #[derive(PartialEq)] }
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};
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out_tokens.append_all(quote! {
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#modifiers
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#vis struct #struct_name #generics {
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#(#fields),*
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}
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#vis fn #ident #generics (#cx_token: Scope<#struct_name>) #output {
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let #struct_name { #(#field_names),* } = &cx.props;
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#block
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}
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});
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}
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}
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