diff options
Diffstat (limited to 'src/librustdoc/json')
| -rw-r--r-- | src/librustdoc/json/conversions.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index 9d8eb70fbe0..5d85a4676b7 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -11,7 +11,7 @@ use rustc_hir::def::CtorKind; use rustc_hir::def_id::DefId; use rustc_metadata::rendered_const; use rustc_middle::{bug, ty}; -use rustc_span::{Pos, Symbol}; +use rustc_span::{Pos, Symbol, kw}; use rustdoc_json_types::*; use crate::clean::{self, ItemId}; @@ -611,7 +611,10 @@ impl FromClean<clean::FnDecl> for FunctionSignature { inputs: inputs .values .into_iter() - .map(|arg| (arg.name.to_string(), arg.type_.into_json(renderer))) + // `_` is the most sensible name for missing param names. + .map(|arg| { + (arg.name.unwrap_or(kw::Underscore).to_string(), arg.type_.into_json(renderer)) + }) .collect(), output: if output.is_unit() { None } else { Some(output.into_json(renderer)) }, is_c_variadic: c_variadic, |