use ide_db::items_locator;
use itertools::Itertools;
use syntax::{
- ast::{self, make, AstNode, NameOwner},
+ ast::{self, make, AstNode, HasName},
SyntaxKind::{IDENT, WHITESPACE},
};
use crate::{
assist_context::{AssistBuilder, AssistContext, Assists},
utils::{
- add_trait_assoc_items_to_impl, filter_assoc_items, generate_trait_impl_text,
- render_snippet, Cursor, DefaultMethods,
+ add_trait_assoc_items_to_impl, filter_assoc_items, gen_trait_fn_body,
+ generate_trait_impl_text, render_snippet, Cursor, DefaultMethods,
},
AssistId, AssistKind,
};
// struct S;
//
// impl Debug for S {
-// fn fmt(&self, f: &mut Formatter) -> Result<()> {
-// ${0:todo!()}
+// $0fn fmt(&self, f: &mut Formatter) -> Result<()> {
+// f.debug_struct("S").finish()
// }
// }
// ```
return None;
}
+ if !args.syntax().text_range().contains(ctx.offset()) {
+ cov_mark::hit!(outside_of_attr_args);
+ return None;
+ }
+
let trait_token = args.syntax().token_at_offset(ctx.offset()).find(|t| t.kind() == IDENT)?;
let trait_name = trait_token.text();
current_crate,
NameToImport::Exact(trait_name.to_string()),
items_locator::AssocItemSearch::Exclude,
- Some(items_locator::DEFAULT_QUERY_SEARCH_LIMIT),
+ Some(items_locator::DEFAULT_QUERY_SEARCH_LIMIT.inner()),
)
- .filter_map(|item| match ModuleDef::from(item.as_module_def_id()?) {
+ .filter_map(|item| match item.as_module_def()? {
ModuleDef::Trait(trait_) => Some(trait_),
_ => None,
})
add_assist(acc, ctx, &attr, &args, &trait_path, Some(trait_), &adt)?;
}
if no_traits_found {
- let trait_path = make::path_unqualified(make::path_segment(make::name_ref(trait_name)));
+ let trait_path = make::ext::ident_path(trait_name);
add_assist(acc, ctx, &attr, &args, &trait_path, None, &adt)?;
}
Some(())
|builder| {
let insert_pos = adt.syntax().text_range().end();
let impl_def_with_items =
- impl_def_from_trait(&ctx.sema, &annotated_name, trait_, trait_path);
- update_attribute(builder, &input, &trait_name, &attr);
+ impl_def_from_trait(&ctx.sema, adt, &annotated_name, trait_, trait_path);
+ update_attribute(builder, input, &trait_name, attr);
let trait_path = format!("{}", trait_path);
match (ctx.config.snippet_cap, impl_def_with_items) {
(None, _) => {
fn impl_def_from_trait(
sema: &hir::Semantics<ide_db::RootDatabase>,
+ adt: &ast::Adt,
annotated_name: &ast::Name,
trait_: Option<hir::Trait>,
trait_path: &ast::Path,
if trait_items.is_empty() {
return None;
}
- let impl_def = make::impl_trait(
- trait_path.clone(),
- make::path_unqualified(make::path_segment(make::name_ref(&annotated_name.text()))),
- );
+ let impl_def =
+ make::impl_trait(trait_path.clone(), make::ext::ident_path(&annotated_name.text()));
let (impl_def, first_assoc_item) =
add_trait_assoc_items_to_impl(sema, trait_items, trait_, impl_def, target_scope);
+
+ // Generate a default `impl` function body for the derived trait.
+ if let ast::AssocItem::Fn(ref func) = first_assoc_item {
+ let _ = gen_trait_fn_body(func, trait_path, adt);
+ };
+
Some((impl_def, first_assoc_item))
}
use super::*;
#[test]
- fn add_custom_impl_debug() {
+ fn add_custom_impl_debug_record_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: fmt
+#[derive(Debu$0g)]
+struct Foo {
+ bar: String,
+}
+"#,
+ r#"
+struct Foo {
+ bar: String,
+}
+
+impl core::fmt::Debug for Foo {
+ $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ f.debug_struct("Foo").field("bar", &self.bar).finish()
+ }
+}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_debug_tuple_struct() {
check_assist(
replace_derive_with_manual_impl,
- "
-mod fmt {
- pub struct Error;
- pub type Result = Result<(), Error>;
- pub struct Formatter<'a>;
- pub trait Debug {
- fn fmt(&self, f: &mut Formatter<'_>) -> Result;
+ r#"
+//- minicore: fmt
+#[derive(Debu$0g)]
+struct Foo(String, usize);
+"#,
+ r#"struct Foo(String, usize);
+
+impl core::fmt::Debug for Foo {
+ $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ f.debug_tuple("Foo").field(&self.0).field(&self.1).finish()
+ }
+}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_debug_empty_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: fmt
+#[derive(Debu$0g)]
+struct Foo;
+"#,
+ r#"
+struct Foo;
+
+impl core::fmt::Debug for Foo {
+ $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ f.debug_struct("Foo").finish()
+ }
+}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_debug_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: fmt
+#[derive(Debu$0g)]
+enum Foo {
+ Bar,
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar,
+ Baz,
+}
+
+impl core::fmt::Debug for Foo {
+ $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ match self {
+ Self::Bar => write!(f, "Bar"),
+ Self::Baz => write!(f, "Baz"),
+ }
}
}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_debug_tuple_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: fmt
+#[derive(Debu$0g)]
+enum Foo {
+ Bar(usize, usize),
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar(usize, usize),
+ Baz,
+}
+
+impl core::fmt::Debug for Foo {
+ $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ match self {
+ Self::Bar(arg0, arg1) => f.debug_tuple("Bar").field(arg0).field(arg1).finish(),
+ Self::Baz => write!(f, "Baz"),
+ }
+ }
+}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_debug_record_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: fmt
#[derive(Debu$0g)]
+enum Foo {
+ Bar {
+ baz: usize,
+ qux: usize,
+ },
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar {
+ baz: usize,
+ qux: usize,
+ },
+ Baz,
+}
+
+impl core::fmt::Debug for Foo {
+ $0fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+ match self {
+ Self::Bar { baz, qux } => f.debug_struct("Bar").field("baz", baz).field("qux", qux).finish(),
+ Self::Baz => write!(f, "Baz"),
+ }
+ }
+}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_default_record_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: default
+#[derive(Defau$0lt)]
struct Foo {
- bar: String,
+ foo: usize,
}
-",
- "
-mod fmt {
- pub struct Error;
- pub type Result = Result<(), Error>;
- pub struct Formatter<'a>;
- pub trait Debug {
- fn fmt(&self, f: &mut Formatter<'_>) -> Result;
+"#,
+ r#"
+struct Foo {
+ foo: usize,
+}
+
+impl Default for Foo {
+ $0fn default() -> Self {
+ Self { foo: Default::default() }
}
}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_default_tuple_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: default
+#[derive(Defau$0lt)]
+struct Foo(usize);
+"#,
+ r#"
+struct Foo(usize);
+impl Default for Foo {
+ $0fn default() -> Self {
+ Self(Default::default())
+ }
+}
+"#,
+ )
+ }
+ #[test]
+ fn add_custom_impl_default_empty_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: default
+#[derive(Defau$0lt)]
+struct Foo;
+"#,
+ r#"
+struct Foo;
+
+impl Default for Foo {
+ $0fn default() -> Self {
+ Self { }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_hash_record_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: hash
+#[derive(Has$0h)]
struct Foo {
- bar: String,
+ bin: usize,
+ bar: usize,
+}
+"#,
+ r#"
+struct Foo {
+ bin: usize,
+ bar: usize,
}
-impl fmt::Debug for Foo {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- ${0:todo!()}
+impl core::hash::Hash for Foo {
+ $0fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
+ self.bin.hash(state);
+ self.bar.hash(state);
}
}
-",
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_hash_tuple_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: hash
+#[derive(Has$0h)]
+struct Foo(usize, usize);
+"#,
+ r#"
+struct Foo(usize, usize);
+
+impl core::hash::Hash for Foo {
+ $0fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
+ self.0.hash(state);
+ self.1.hash(state);
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_hash_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: hash
+#[derive(Has$0h)]
+enum Foo {
+ Bar,
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar,
+ Baz,
+}
+
+impl core::hash::Hash for Foo {
+ $0fn hash<H: core::hash::Hasher>(&self, state: &mut H) {
+ core::mem::discriminant(self).hash(state);
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_clone_record_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: clone
+#[derive(Clo$0ne)]
+struct Foo {
+ bin: usize,
+ bar: usize,
+}
+"#,
+ r#"
+struct Foo {
+ bin: usize,
+ bar: usize,
+}
+
+impl Clone for Foo {
+ $0fn clone(&self) -> Self {
+ Self { bin: self.bin.clone(), bar: self.bar.clone() }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_clone_tuple_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: clone
+#[derive(Clo$0ne)]
+struct Foo(usize, usize);
+"#,
+ r#"
+struct Foo(usize, usize);
+
+impl Clone for Foo {
+ $0fn clone(&self) -> Self {
+ Self(self.0.clone(), self.1.clone())
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_clone_empty_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: clone
+#[derive(Clo$0ne)]
+struct Foo;
+"#,
+ r#"
+struct Foo;
+
+impl Clone for Foo {
+ $0fn clone(&self) -> Self {
+ Self { }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_clone_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: clone
+#[derive(Clo$0ne)]
+enum Foo {
+ Bar,
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar,
+ Baz,
+}
+
+impl Clone for Foo {
+ $0fn clone(&self) -> Self {
+ match self {
+ Self::Bar => Self::Bar,
+ Self::Baz => Self::Baz,
+ }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_clone_tuple_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: clone
+#[derive(Clo$0ne)]
+enum Foo {
+ Bar(String),
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar(String),
+ Baz,
+}
+
+impl Clone for Foo {
+ $0fn clone(&self) -> Self {
+ match self {
+ Self::Bar(arg0) => Self::Bar(arg0.clone()),
+ Self::Baz => Self::Baz,
+ }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_clone_record_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: clone
+#[derive(Clo$0ne)]
+enum Foo {
+ Bar {
+ bin: String,
+ },
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar {
+ bin: String,
+ },
+ Baz,
+}
+
+impl Clone for Foo {
+ $0fn clone(&self) -> Self {
+ match self {
+ Self::Bar { bin } => Self::Bar { bin: bin.clone() },
+ Self::Baz => Self::Baz,
+ }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_ord_record_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: ord
+#[derive(Partial$0Ord)]
+struct Foo {
+ bin: usize,
+}
+"#,
+ r#"
+struct Foo {
+ bin: usize,
+}
+
+impl PartialOrd for Foo {
+ $0fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+ self.bin.partial_cmp(other.bin)
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_ord_record_struct_multi_field() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: ord
+#[derive(Partial$0Ord)]
+struct Foo {
+ bin: usize,
+ bar: usize,
+ baz: usize,
+}
+"#,
+ r#"
+struct Foo {
+ bin: usize,
+ bar: usize,
+ baz: usize,
+}
+
+impl PartialOrd for Foo {
+ $0fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+ (self.bin, self.bar, self.baz).partial_cmp((other.bin, other.bar, other.baz))
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_ord_tuple_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: ord
+#[derive(Partial$0Ord)]
+struct Foo(usize, usize, usize);
+"#,
+ r#"
+struct Foo(usize, usize, usize);
+
+impl PartialOrd for Foo {
+ $0fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+ (self.0, self.1, self.2).partial_cmp((other.0, other.1, other.2))
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_ord_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: ord
+#[derive(Partial$0Ord)]
+enum Foo {
+ Bin,
+ Bar,
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bin,
+ Bar,
+ Baz,
+}
+
+impl PartialOrd for Foo {
+ $0fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+ core::mem::discriminant(self).partial_cmp(core::mem::discriminant(other))
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_ord_record_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: ord
+#[derive(Partial$0Ord)]
+enum Foo {
+ Bar {
+ bin: String,
+ },
+ Baz {
+ qux: String,
+ fez: String,
+ },
+ Qux {},
+ Bin,
+}
+"#,
+ r#"
+enum Foo {
+ Bar {
+ bin: String,
+ },
+ Baz {
+ qux: String,
+ fez: String,
+ },
+ Qux {},
+ Bin,
+}
+
+impl PartialOrd for Foo {
+ $0fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+ match (self, other) {
+ (Self::Bar { bin: l_bin }, Self::Bar { bin: r_bin }) => l_bin.partial_cmp(r_bin),
+ (Self::Baz { qux: l_qux, fez: l_fez }, Self::Baz { qux: r_qux, fez: r_fez }) => {
+ (l_qux, l_fez).partial_cmp((r_qux, r_fez))
+ }
+ _ => core::mem::discriminant(self).partial_cmp(core::mem::discriminant(other)),
+ }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_ord_tuple_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: ord
+#[derive(Partial$0Ord)]
+enum Foo {
+ Bar(String),
+ Baz(String, String),
+ Qux(),
+ Bin,
+}
+"#,
+ r#"
+enum Foo {
+ Bar(String),
+ Baz(String, String),
+ Qux(),
+ Bin,
+}
+
+impl PartialOrd for Foo {
+ $0fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+ match (self, other) {
+ (Self::Bar(l0), Self::Bar(r0)) => l0.partial_cmp(r0),
+ (Self::Baz(l0, l1), Self::Baz(r0, r1)) => {
+ (l0, l1).partial_cmp((r0, r1))
+ }
+ _ => core::mem::discriminant(self).partial_cmp(core::mem::discriminant(other)),
+ }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_eq_record_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: eq
+#[derive(Partial$0Eq)]
+struct Foo {
+ bin: usize,
+ bar: usize,
+}
+"#,
+ r#"
+struct Foo {
+ bin: usize,
+ bar: usize,
+}
+
+impl PartialEq for Foo {
+ $0fn eq(&self, other: &Self) -> bool {
+ self.bin == other.bin && self.bar == other.bar
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_eq_tuple_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: eq
+#[derive(Partial$0Eq)]
+struct Foo(usize, usize);
+"#,
+ r#"
+struct Foo(usize, usize);
+
+impl PartialEq for Foo {
+ $0fn eq(&self, other: &Self) -> bool {
+ self.0 == other.0 && self.1 == other.1
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_eq_empty_struct() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: eq
+#[derive(Partial$0Eq)]
+struct Foo;
+"#,
+ r#"
+struct Foo;
+
+impl PartialEq for Foo {
+ $0fn eq(&self, other: &Self) -> bool {
+ true
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_eq_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: eq
+#[derive(Partial$0Eq)]
+enum Foo {
+ Bar,
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar,
+ Baz,
+}
+
+impl PartialEq for Foo {
+ $0fn eq(&self, other: &Self) -> bool {
+ core::mem::discriminant(self) == core::mem::discriminant(other)
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_eq_tuple_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: eq
+#[derive(Partial$0Eq)]
+enum Foo {
+ Bar(String),
+ Baz,
+}
+"#,
+ r#"
+enum Foo {
+ Bar(String),
+ Baz,
+}
+
+impl PartialEq for Foo {
+ $0fn eq(&self, other: &Self) -> bool {
+ match (self, other) {
+ (Self::Bar(l0), Self::Bar(r0)) => l0 == r0,
+ _ => core::mem::discriminant(self) == core::mem::discriminant(other),
+ }
+ }
+}
+"#,
+ )
+ }
+
+ #[test]
+ fn add_custom_impl_partial_eq_record_enum() {
+ check_assist(
+ replace_derive_with_manual_impl,
+ r#"
+//- minicore: eq
+#[derive(Partial$0Eq)]
+enum Foo {
+ Bar {
+ bin: String,
+ },
+ Baz {
+ qux: String,
+ fez: String,
+ },
+ Qux {},
+ Bin,
+}
+"#,
+ r#"
+enum Foo {
+ Bar {
+ bin: String,
+ },
+ Baz {
+ qux: String,
+ fez: String,
+ },
+ Qux {},
+ Bin,
+}
+
+impl PartialEq for Foo {
+ $0fn eq(&self, other: &Self) -> bool {
+ match (self, other) {
+ (Self::Bar { bin: l_bin }, Self::Bar { bin: r_bin }) => l_bin == r_bin,
+ (Self::Baz { qux: l_qux, fez: l_fez }, Self::Baz { qux: r_qux, fez: r_fez }) => l_qux == r_qux && l_fez == r_fez,
+ _ => core::mem::discriminant(self) == core::mem::discriminant(other),
+ }
+ }
+}
+"#,
)
}
#[test]
fn add_custom_impl_all() {
check_assist(
replace_derive_with_manual_impl,
- "
+ r#"
mod foo {
pub trait Bar {
type Qux;
struct Foo {
bar: String,
}
-",
- "
+"#,
+ r#"
mod foo {
pub trait Bar {
type Qux;
todo!()
}
}
-",
+"#,
)
}
#[test]
fn add_custom_impl_for_unique_input() {
check_assist(
replace_derive_with_manual_impl,
- "
+ r#"
#[derive(Debu$0g)]
struct Foo {
bar: String,
}
- ",
- "
+ "#,
+ r#"
struct Foo {
bar: String,
}
impl Debug for Foo {
$0
}
- ",
+ "#,
)
}
fn add_custom_impl_for_with_visibility_modifier() {
check_assist(
replace_derive_with_manual_impl,
- "
+ r#"
#[derive(Debug$0)]
pub struct Foo {
bar: String,
}
- ",
- "
+ "#,
+ r#"
pub struct Foo {
bar: String,
}
impl Debug for Foo {
$0
}
- ",
+ "#,
)
}
fn add_custom_impl_when_multiple_inputs() {
check_assist(
replace_derive_with_manual_impl,
- "
+ r#"
#[derive(Display, Debug$0, Serialize)]
struct Foo {}
- ",
- "
+ "#,
+ r#"
#[derive(Display, Serialize)]
struct Foo {}
impl Debug for Foo {
$0
}
- ",
+ "#,
)
}
fn test_ignore_derive_macro_without_input() {
check_assist_not_applicable(
replace_derive_with_manual_impl,
- "
+ r#"
#[derive($0)]
struct Foo {}
- ",
+ "#,
)
}
fn test_ignore_if_cursor_on_param() {
check_assist_not_applicable(
replace_derive_with_manual_impl,
- "
+ r#"
#[derive$0(Debug)]
struct Foo {}
- ",
+ "#,
);
check_assist_not_applicable(
replace_derive_with_manual_impl,
- "
+ r#"
#[derive(Debug)$0]
struct Foo {}
- ",
+ "#,
)
}
fn test_ignore_if_not_derive() {
check_assist_not_applicable(
replace_derive_with_manual_impl,
- "
+ r#"
#[allow(non_camel_$0case_types)]
struct Foo {}
- ",
+ "#,
)
}
+
+ #[test]
+ fn works_at_start_of_file() {
+ cov_mark::check!(outside_of_attr_args);
+ check_assist_not_applicable(
+ replace_derive_with_manual_impl,
+ r#"
+$0#[derive(Debug)]
+struct S;
+ "#,
+ );
+ }
}
projects / rust.git / blobdiff