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feat: modify expander trait to use references #590

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feat: modify expander trait to use references #590

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2 changes: 1 addition & 1 deletion crates/sol-macro-input/src/expander.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,5 +4,5 @@ use proc_macro2::TokenStream;
/// Expands a `SolInput` into a `TokenStream`.
pub trait SolInputExpander {
/// Expand a `SolInput` into a `TokenStream`.
fn expand(&mut self, input: &SolInput) -> syn::Result<TokenStream>;
fn expand(&self, input: &SolInput) -> syn::Result<TokenStream>;
}
2 changes: 1 addition & 1 deletion crates/sol-macro/src/lib.rs
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Expand Up @@ -238,7 +238,7 @@ pub fn sol(input: TokenStream) -> TokenStream {
struct SolMacroExpander;

impl SolInputExpander for SolMacroExpander {
fn expand(&mut self, input: &SolInput) -> syn::Result<proc_macro2::TokenStream> {
fn expand(&self, input: &SolInput) -> syn::Result<proc_macro2::TokenStream> {
let input = input.clone();

#[cfg(feature = "json")]
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