24 lines
530 B
Rust
24 lines
530 B
Rust
use proc_macro2::{Span, TokenStream};
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use syn::Ident;
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pub fn build_default_value(
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label: &Option<Ident>,
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field_type: &TokenStream,
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value: &TokenStream,
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default: &Option<String>,
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) -> Option<TokenStream> {
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if let Some(d) = default {
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let default_function = Ident::new(&d, Span::call_site());
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Some(quote! {
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#[allow(unused_mut)]
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let mut #label : #field_type = #default_function();
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})
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} else {
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Some(quote! {
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#[allow(unused_mut)]
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let mut #label : #field_type = #value;
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})
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}
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}
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