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Add extra comment to ssz_derive

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Paul Hauner 2019-02-20 11:23:35 +13:00
parent 586bb09e02
commit 59fd716286
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1 changed files with 4 additions and 0 deletions
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4
eth2/utils/ssz_derive/src/lib.rs
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@ -40,6 +40,10 @@ use proc_macro::TokenStream;
use quote::quote; use quote::quote;
use syn::{parse_macro_input, DeriveInput}; use syn::{parse_macro_input, DeriveInput};
/// Returns a Vec of `syn::Ident` for each named field in the struct.
///
/// # Panics
/// Any unnamed struct field (like in a tuple struct) will raise a panic at compile time.
fn get_named_field_idents<'a>(struct_data: &'a syn::DataStruct) -> Vec<&'a syn::Ident> { fn get_named_field_idents<'a>(struct_data: &'a syn::DataStruct) -> Vec<&'a syn::Ident> {
struct_data struct_data
.fields .fields