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Allow matches to refer to deprecated variants

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David Tolnay 2020-03-29 08:42:11 -07:00
parent 40b9073bc4
commit 33166f7af4
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GPG key ID: F9BA143B95FF6D82
1 changed files with 6 additions and 2 deletions
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8
impl/src/expand.rs
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@ -104,7 +104,7 @@ fn impl_struct(input: Struct) -> TokenStream {
let pat = fields_pat(&input.fields);
Some(quote! {
#use_as_display
#[allow(unused_variables)]
#[allow(unused_variables, deprecated)]
let Self #pat = self;
#display
})
@ -127,6 +127,7 @@ fn impl_struct(input: Struct) -> TokenStream {
let body = from_initializer(from_field, backtrace_field);
quote! {
impl #impl_generics std::convert::From<#from> for #ty #ty_generics #where_clause {
#[allow(deprecated)]
fn from(source: #from) -> Self {
#ty #body
}
@ -177,6 +178,7 @@ fn impl_enum(input: Enum) -> TokenStream {
Some(quote! {
fn source(&self) -> std::option::Option<&(dyn std::error::Error + 'static)> {
use thiserror::private::AsDynError;
#[allow(deprecated)]
match self {
#(#arms)*
}
@ -242,6 +244,7 @@ fn impl_enum(input: Enum) -> TokenStream {
});
Some(quote! {
fn backtrace(&self) -> std::option::Option<&std::backtrace::Backtrace> {
#[allow(deprecated)]
match self {
#(#arms)*
}
@ -291,7 +294,7 @@ fn impl_enum(input: Enum) -> TokenStream {
impl #impl_generics std::fmt::Display for #ty #ty_generics #where_clause {
fn fmt(&self, __formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
#use_as_display
#[allow(unused_variables)]
#[allow(unused_variables, deprecated)]
match #void_deref self {
#(#arms,)*
}
@ -310,6 +313,7 @@ fn impl_enum(input: Enum) -> TokenStream {
let body = from_initializer(from_field, backtrace_field);
Some(quote! {
impl #impl_generics std::convert::From<#from> for #ty #ty_generics #where_clause {
#[allow(deprecated)]
fn from(source: #from) -> Self {
#ty::#variant #body
}