Fix clippy.

src/wasm/headline.rs

@@ -6,11 +6,11 @@ use super::macros::to_wasm;
 use super::to_wasm::ToWasm;
 use super::AdditionalProperties;
 use super::AdditionalPropertyValue;
-use crate::util::elisp_fact::ElispFact;
 use crate::types::Heading;
 use crate::types::HeadlineLevel;
 use crate::types::PriorityCookie;
 use crate::types::TodoKeywordType;
+use crate::util::elisp_fact::ElispFact;
 use crate::wasm::to_wasm::ToWasmStandardProperties;
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -112,7 +112,7 @@ to_wasm!(
                             .map(Into::<WasmAstNode>::into)
                     })
                     .map_or(Ok(None), |r| r.map(Some))?
-                    .map(|child| Box::new(child)),
+                    .map(Box::new),
                 deadline: original
                     .deadline
                     .as_ref()
@@ -122,7 +122,7 @@ to_wasm!(
                             .map(Into::<WasmAstNode>::into)
                     })
                     .map_or(Ok(None), |r| r.map(Some))?
-                    .map(|child| Box::new(child)),
+                    .map(Box::new),
                 closed: original
                     .closed
                     .as_ref()
@@ -132,7 +132,7 @@ to_wasm!(
                             .map(Into::<WasmAstNode>::into)
                     })
                     .map_or(Ok(None), |r| r.map(Some))?
-                    .map(|child| Box::new(child)),
+                    .map(Box::new),
                 pre_blank: Noop {},
             },
         ))