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https://github.com/topjohnwu/cxx.git
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7fae55596e
warning: associated function is never used: `checked_succ`
--> gen/build/src/syntax/discriminant.rs:183:18
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183 | pub const fn checked_succ(self) -> Option<Self> {
| ^^^^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
warning: associated function is never used: `ty`
--> gen/build/src/syntax/tokens.rs:305:12
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305 | pub fn ty(&self) -> ReceiverType {
| ^^
warning: associated function is never used: `ty_self`
--> gen/build/src/syntax/tokens.rs:310:12
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310 | pub fn ty_self(&self) -> ReceiverTypeSelf {
| ^^^^^^^
warning: variant is never constructed: `Foreign`
--> gen/build/src/syntax/mod.rs:122:5
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122 | Foreign { rust_type: Path },
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
warning: associated function is never used: `checked_succ`
--> macro/src/syntax/discriminant.rs:183:18
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183 | pub const fn checked_succ(self) -> Option<Self> {
| ^^^^^^^^^^^^
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= note: `#[warn(dead_code)]` on by default
warning: associated function is never used: `is_empty`
--> macro/src/syntax/doc.rs:22:12
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22 | pub fn is_empty(&self) -> bool {
| ^^^^^^^^
warning: associated function is never used: `to_string`
--> macro/src/syntax/doc.rs:26:12
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26 | pub fn to_string(&self) -> String {
| ^^^^^^^^^
warning: associated function is never used: `remove`
--> macro/src/syntax/map.rs:127:16
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127 | pub fn remove<Q>(&mut self, key: &Q) -> Option<V>
| ^^^^^^
warning: associated function is never used: `to_fully_qualified`
--> macro/src/syntax/names.rs:24:12
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24 | pub fn to_fully_qualified(&self) -> String {
| ^^^^^^^^^^^^^^^^^^
warning: associated function is never used: `prefix_with`
--> macro/src/syntax/symbol.rs:44:12
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44 | pub fn prefix_with(&self, prefix: &str) -> Symbol {
| ^^^^^^^^^^^
warning: variant is never constructed: `Foreign`
--> macro/src/syntax/mod.rs:122:5
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122 | Foreign { rust_type: Path },
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
47 lines
1.0 KiB
Rust
47 lines
1.0 KiB
Rust
use proc_macro2::TokenStream;
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use quote::{quote, ToTokens};
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use syn::LitStr;
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pub struct Doc {
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pub(crate) hidden: bool,
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fragments: Vec<LitStr>,
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}
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impl Doc {
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pub fn new() -> Self {
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Doc {
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hidden: false,
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fragments: Vec::new(),
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}
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}
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pub fn push(&mut self, lit: LitStr) {
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self.fragments.push(lit);
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}
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#[allow(dead_code)] // only used by cxx-build, not cxxbridge-macro
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pub fn is_empty(&self) -> bool {
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self.fragments.is_empty()
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}
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#[allow(dead_code)] // only used by cxx-build, not cxxbridge-macro
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pub fn to_string(&self) -> String {
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let mut doc = String::new();
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for lit in &self.fragments {
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doc += &lit.value();
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doc.push('\n');
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}
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doc
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}
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}
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impl ToTokens for Doc {
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fn to_tokens(&self, tokens: &mut TokenStream) {
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let fragments = &self.fragments;
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tokens.extend(quote! { #(#[doc = #fragments])* });
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if self.hidden {
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tokens.extend(quote! { #[doc(hidden)] });
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}
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}
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}
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