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Simplify

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This commit is contained in:
Lukas Wirth 2023-03-28 16:22:12 +02:00
parent 284c1741d6
commit 8ea1afce28
16 changed files with 197 additions and 197 deletions
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2
crates/hir-ty/src/infer/coerce.rs
View file

@ -151,7 +151,7 @@ impl CoerceMany {
if let Some(id) = expr {
ctx.result.type_mismatches.insert(
id.into(),
TypeMismatch { expected: self.merged_ty().clone(), actual: expr_ty.clone() },
TypeMismatch { expected: self.merged_ty(), actual: expr_ty.clone() },
);
}
cov_mark::hit!(coerce_merge_fail_fallback);

10
crates/hir-ty/src/infer/expr.rs
View file

@ -331,7 +331,7 @@ impl<'a> InferenceContext<'a> {
let prev_diverges = mem::replace(&mut self.diverges, Diverges::Maybe);
let prev_ret_ty = mem::replace(&mut self.return_ty, ret_ty.clone());
let prev_ret_coercion =
mem::replace(&mut self.return_coercion, Some(CoerceMany::new(ret_ty.clone())));
mem::replace(&mut self.return_coercion, Some(CoerceMany::new(ret_ty)));
let prev_resume_yield_tys =
mem::replace(&mut self.resume_yield_tys, resume_yield_tys);
@ -402,7 +402,7 @@ impl<'a> InferenceContext<'a> {
.push(callee_ty.clone())
.push(TyBuilder::tuple_with(params.iter().cloned()))
.build();
self.write_method_resolution(tgt_expr, func, subst.clone());
self.write_method_resolution(tgt_expr, func, subst)
}
}
self.write_expr_adj(*callee, adjustments);
@ -803,7 +803,7 @@ impl<'a> InferenceContext<'a> {
.push(self_ty.clone())
.push(index_ty.clone())
.build();
self.write_method_resolution(tgt_expr, func, substs.clone());
self.write_method_resolution(tgt_expr, func, substs);
}
self.resolve_associated_type_with_params(
self_ty,
@ -912,7 +912,7 @@ impl<'a> InferenceContext<'a> {
(elem_ty, consteval::usize_const(self.db, Some(0), krate))
}
Array::ElementList { elements, .. } => {
let mut coerce = CoerceMany::new(elem_ty.clone());
let mut coerce = CoerceMany::new(elem_ty);
for &expr in elements.iter() {
let cur_elem_ty = self.infer_expr_inner(expr, &expected);
coerce.coerce(self, Some(expr), &cur_elem_ty);
@ -1214,7 +1214,7 @@ impl<'a> InferenceContext<'a> {
let g = self.resolver.update_to_inner_scope(self.db.upcast(), self.owner, expr);
let (break_ty, ty) =
self.with_breakable_ctx(BreakableKind::Block, Some(coerce_ty.clone()), label, |this| {
self.with_breakable_ctx(BreakableKind::Block, Some(coerce_ty), label, |this| {
for stmt in statements {
match stmt {
Statement::Let { pat, type_ref, initializer, else_branch } => {

142
crates/hir-ty/src/interner.rs
View file

@ -51,8 +51,8 @@ impl chalk_ir::interner::Interner for Interner {
type InternedGoal = Arc<GoalData<Self>>;
type InternedGoals = Vec<Goal<Self>>;
type InternedSubstitution = Interned<InternedWrapper<SmallVec<[GenericArg; 2]>>>;
type InternedProgramClause = chalk_ir::ProgramClauseData<Self>;
type InternedProgramClauses = Interned<InternedWrapper<Vec<chalk_ir::ProgramClause<Self>>>>;
type InternedProgramClause = chalk_ir::ProgramClauseData<Self>;
type InternedQuantifiedWhereClauses =
Interned<InternedWrapper<Vec<chalk_ir::QuantifiedWhereClause<Self>>>>;
type InternedVariableKinds = Interned<InternedWrapper<Vec<chalk_ir::VariableKind<Interner>>>>;
@ -86,6 +86,27 @@ impl chalk_ir::interner::Interner for Interner {
tls::with_current_program(|prog| Some(prog?.debug_assoc_type_id(id, fmt)))
}
fn debug_opaque_ty_id(
opaque_ty_id: chalk_ir::OpaqueTyId<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "OpaqueTy#{}", opaque_ty_id.0))
}
fn debug_fn_def_id(
fn_def_id: chalk_ir::FnDefId<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
tls::with_current_program(|prog| Some(prog?.debug_fn_def_id(fn_def_id, fmt)))
}
fn debug_closure_id(
_fn_def_id: chalk_ir::ClosureId<Self>,
_fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
None
}
fn debug_alias(
alias: &chalk_ir::AliasTy<Interner>,
fmt: &mut fmt::Formatter<'_>,
@ -113,13 +134,6 @@ impl chalk_ir::interner::Interner for Interner {
Some(write!(fmt, "{:?}", opaque_ty.opaque_ty_id))
}
fn debug_opaque_ty_id(
opaque_ty_id: chalk_ir::OpaqueTyId<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "OpaqueTy#{}", opaque_ty_id.0))
}
fn debug_ty(ty: &chalk_ir::Ty<Interner>, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", ty.data(Interner)))
}
@ -131,6 +145,13 @@ impl chalk_ir::interner::Interner for Interner {
Some(write!(fmt, "{:?}", lifetime.data(Interner)))
}
fn debug_const(
constant: &chalk_ir::Const<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", constant.data(Interner)))
}
fn debug_generic_arg(
parameter: &GenericArg,
fmt: &mut fmt::Formatter<'_>,
@ -138,69 +159,42 @@ impl chalk_ir::interner::Interner for Interner {
Some(write!(fmt, "{:?}", parameter.data(Interner).inner_debug()))
}
fn debug_goal(goal: &Goal<Interner>, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
let goal_data = goal.data(Interner);
Some(write!(fmt, "{goal_data:?}"))
}
fn debug_goals(
goals: &chalk_ir::Goals<Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", goals.debug(Interner)))
}
fn debug_program_clause_implication(
pci: &chalk_ir::ProgramClauseImplication<Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", pci.debug(Interner)))
}
fn debug_substitution(
substitution: &chalk_ir::Substitution<Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", substitution.debug(Interner)))
}
fn debug_separator_trait_ref(
separator_trait_ref: &chalk_ir::SeparatorTraitRef<'_, Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", separator_trait_ref.debug(Interner)))
}
fn debug_fn_def_id(
fn_def_id: chalk_ir::FnDefId<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
tls::with_current_program(|prog| Some(prog?.debug_fn_def_id(fn_def_id, fmt)))
}
fn debug_const(
constant: &chalk_ir::Const<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", constant.data(Interner)))
}
fn debug_variable_kinds(
variable_kinds: &chalk_ir::VariableKinds<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", variable_kinds.as_slice(Interner)))
}
fn debug_variable_kinds_with_angles(
variable_kinds: &chalk_ir::VariableKinds<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", variable_kinds.inner_debug(Interner)))
}
fn debug_canonical_var_kinds(
canonical_var_kinds: &chalk_ir::CanonicalVarKinds<Self>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", canonical_var_kinds.as_slice(Interner)))
}
fn debug_goal(goal: &Goal<Interner>, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
let goal_data = goal.data(Interner);
Some(write!(fmt, "{goal_data:?}"))
}
fn debug_goals(
goals: &chalk_ir::Goals<Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", goals.debug(Interner)))
}
fn debug_program_clause_implication(
pci: &chalk_ir::ProgramClauseImplication<Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", pci.debug(Interner)))
}
fn debug_program_clause(
clause: &chalk_ir::ProgramClause<Self>,
fmt: &mut fmt::Formatter<'_>,
@ -213,6 +207,19 @@ impl chalk_ir::interner::Interner for Interner {
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", clauses.as_slice(Interner)))
}
fn debug_substitution(
substitution: &chalk_ir::Substitution<Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", substitution.debug(Interner)))
}
fn debug_separator_trait_ref(
separator_trait_ref: &chalk_ir::SeparatorTraitRef<'_, Interner>,
fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
Some(write!(fmt, "{:?}", separator_trait_ref.debug(Interner)))
}
fn debug_quantified_where_clauses(
clauses: &chalk_ir::QuantifiedWhereClauses<Self>,
fmt: &mut fmt::Formatter<'_>,
@ -220,6 +227,13 @@ impl chalk_ir::interner::Interner for Interner {
Some(write!(fmt, "{:?}", clauses.as_slice(Interner)))
}
fn debug_constraints(
_clauses: &chalk_ir::Constraints<Self>,
_fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
None
}
fn intern_ty(self, kind: chalk_ir::TyKind<Self>) -> Self::InternedType {
let flags = kind.compute_flags(self);
Interned::new(InternedWrapper(chalk_ir::TyData { kind, flags }))
@ -272,6 +286,10 @@ impl chalk_ir::interner::Interner for Interner {
Arc::new(goal)
}
fn goal_data(self, goal: &Self::InternedGoal) -> &GoalData<Self> {
goal
}
fn intern_goals<E>(
self,
data: impl IntoIterator<Item = Result<Goal<Self>, E>>,
@ -279,10 +297,6 @@ impl chalk_ir::interner::Interner for Interner {
data.into_iter().collect()
}
fn goal_data(self, goal: &Self::InternedGoal) -> &GoalData<Self> {
goal
}
fn goals_data(self, goals: &Self::InternedGoals) -> &[Goal<Interner>] {
goals
}
@ -367,32 +381,18 @@ impl chalk_ir::interner::Interner for Interner {
) -> &[chalk_ir::CanonicalVarKind<Self>] {
canonical_var_kinds
}
fn intern_constraints<E>(
self,
data: impl IntoIterator<Item = Result<chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>, E>>,
) -> Result<Self::InternedConstraints, E> {
data.into_iter().collect()
}
fn constraints_data(
self,
constraints: &Self::InternedConstraints,
) -> &[chalk_ir::InEnvironment<chalk_ir::Constraint<Self>>] {
constraints
}
fn debug_closure_id(
_fn_def_id: chalk_ir::ClosureId<Self>,
_fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
None
}
fn debug_constraints(
_clauses: &chalk_ir::Constraints<Self>,
_fmt: &mut fmt::Formatter<'_>,
) -> Option<fmt::Result> {
None
}
fn intern_variances<E>(
self,

2
crates/hir-ty/src/lib.rs
View file

@ -588,7 +588,7 @@ pub fn callable_sig_from_fnonce(
let fn_once_trait = FnTrait::FnOnce.get_id(db, krate)?;
let output_assoc_type = db.trait_data(fn_once_trait).associated_type_by_name(&name![Output])?;
let mut table = InferenceTable::new(db, env.clone());
let mut table = InferenceTable::new(db, env);
let b = TyBuilder::trait_ref(db, fn_once_trait);
if b.remaining() != 2 {
return None;

6
crates/hir-ty/src/mir/eval.rs
View file

@ -1414,7 +1414,7 @@ impl Evaluator<'_> {
}
CallableDefId::StructId(id) => {
let (size, variant_layout, tag) =
self.layout_of_variant(id.into(), generic_args.clone(), &locals)?;
self.layout_of_variant(id.into(), generic_args, &locals)?;
let result = self.make_by_layout(
size,
&variant_layout,
@ -1425,7 +1425,7 @@ impl Evaluator<'_> {
}
CallableDefId::EnumVariantId(id) => {
let (size, variant_layout, tag) =
self.layout_of_variant(id.into(), generic_args.clone(), &locals)?;
self.layout_of_variant(id.into(), generic_args, &locals)?;
let result = self.make_by_layout(
size,
&variant_layout,
@ -1507,7 +1507,7 @@ impl Evaluator<'_> {
);
}
let (imp, generic_args) =
lookup_impl_method(self.db, self.trait_env.clone(), def, generic_args.clone());
lookup_impl_method(self.db, self.trait_env.clone(), def, generic_args);
let generic_args = self.subst_filler(&generic_args, &locals);
let def = imp.into();
let mir_body =

4
crates/hir-ty/src/utils.rs
View file

@ -69,9 +69,7 @@ pub(super) fn all_super_trait_refs<T>(
cb: impl FnMut(TraitRef) -> Option<T>,
) -> Option<T> {
let seen = iter::once(trait_ref.trait_id).collect();
let mut stack = Vec::new();
stack.push(trait_ref);
SuperTraits { db, seen, stack }.find_map(cb)
SuperTraits { db, seen, stack: vec![trait_ref] }.find_map(cb)
}
struct SuperTraits<'a> {

2
crates/ide-assists/src/handlers/add_missing_match_arms.rs
View file

@ -148,7 +148,7 @@ pub(crate) fn add_missing_match_arms(acc: &mut Assists, ctx: &AssistContext<'_>)
return None;
}
let variants_of_enums = vec![variants.clone(); len];
let variants_of_enums = vec![variants; len];
let missing_pats = variants_of_enums
.into_iter()

161
crates/ide-assists/src/handlers/convert_let_else_to_match.rs
View file

@ -5,6 +5,88 @@ use syntax::T;
use crate::{AssistContext, AssistId, AssistKind, Assists};
// Assist: convert_let_else_to_match
//
// Converts let-else statement to let statement and match expression.
//
// ```
// fn main() {
// let Ok(mut x) = f() else$0 { return };
// }
// ```
// ->
// ```
// fn main() {
// let mut x = match f() {
// Ok(x) => x,
// _ => return,
// };
// }
// ```
pub(crate) fn convert_let_else_to_match(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
// should focus on else token to trigger
let let_stmt = ctx
.find_token_syntax_at_offset(T![else])
.and_then(|it| it.parent()?.parent())
.or_else(|| ctx.find_token_syntax_at_offset(T![let])?.parent())?;
let let_stmt = LetStmt::cast(let_stmt)?;
let let_else_block = let_stmt.let_else()?.block_expr()?;
let let_init = let_stmt.initializer()?;
if let_stmt.ty().is_some() {
// don't support let with type annotation
return None;
}
let pat = let_stmt.pat()?;
let mut binders = Vec::new();
binders_in_pat(&mut binders, &pat, &ctx.sema)?;
let target = let_stmt.syntax().text_range();
acc.add(
AssistId("convert_let_else_to_match", AssistKind::RefactorRewrite),
"Convert let-else to let and match",
target,
|edit| {
let indent_level = let_stmt.indent_level().0 as usize;
let indent = " ".repeat(indent_level);
let indent1 = " ".repeat(indent_level + 1);
let binders_str = binders_to_str(&binders, false);
let binders_str_mut = binders_to_str(&binders, true);
let init_expr = let_init.syntax().text();
let mut pat_no_mut = pat.syntax().text().to_string();
// remove the mut from the pattern
for (b, ismut) in binders.iter() {
if *ismut {
pat_no_mut = pat_no_mut.replace(&format!("mut {b}"), &b.to_string());
}
}
let only_expr = let_else_block.statements().next().is_none();
let branch2 = match &let_else_block.tail_expr() {
Some(tail) if only_expr => format!("{tail},"),
_ => let_else_block.syntax().text().to_string(),
};
let replace = if binders.is_empty() {
format!(
"match {init_expr} {{
{indent1}{pat_no_mut} => {binders_str}
{indent1}_ => {branch2}
{indent}}}"
)
} else {
format!(
"let {binders_str_mut} = match {init_expr} {{
{indent1}{pat_no_mut} => {binders_str},
{indent1}_ => {branch2}
{indent}}};"
)
};
edit.replace(target, replace);
},
)
}
/// Gets a list of binders in a pattern, and whether they are mut.
fn binders_in_pat(
acc: &mut Vec<(Name, bool)>,
@ -97,85 +179,6 @@ fn binders_to_str(binders: &[(Name, bool)], addmut: bool) -> String {
}
}
// Assist: convert_let_else_to_match
//
// Converts let-else statement to let statement and match expression.
//
// ```
// fn main() {
// let Ok(mut x) = f() else$0 { return };
// }
// ```
// ->
// ```
// fn main() {
// let mut x = match f() {
// Ok(x) => x,
// _ => return,
// };
// }
// ```
pub(crate) fn convert_let_else_to_match(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
// should focus on else token to trigger
let else_token = ctx.find_token_syntax_at_offset(T![else])?;
let let_stmt = LetStmt::cast(else_token.parent()?.parent()?)?;
let let_else_block = let_stmt.let_else()?.block_expr()?;
let let_init = let_stmt.initializer()?;
if let_stmt.ty().is_some() {
// don't support let with type annotation
return None;
}
let pat = let_stmt.pat()?;
let mut binders = Vec::new();
binders_in_pat(&mut binders, &pat, &ctx.sema)?;
let target = let_stmt.syntax().text_range();
acc.add(
AssistId("convert_let_else_to_match", AssistKind::RefactorRewrite),
"Convert let-else to let and match",
target,
|edit| {
let indent_level = let_stmt.indent_level().0 as usize;
let indent = " ".repeat(indent_level);
let indent1 = " ".repeat(indent_level + 1);
let binders_str = binders_to_str(&binders, false);
let binders_str_mut = binders_to_str(&binders, true);
let init_expr = let_init.syntax().text();
let mut pat_no_mut = pat.syntax().text().to_string();
// remove the mut from the pattern
for (b, ismut) in binders.iter() {
if *ismut {
pat_no_mut = pat_no_mut.replace(&format!("mut {b}"), &b.to_string());
}
}
let only_expr = let_else_block.statements().next().is_none();
let branch2 = match &let_else_block.tail_expr() {
Some(tail) if only_expr => format!("{tail},"),
_ => let_else_block.syntax().text().to_string(),
};
let replace = if binders.is_empty() {
format!(
"match {init_expr} {{
{indent1}{pat_no_mut} => {binders_str}
{indent1}_ => {branch2}
{indent}}}"
)
} else {
format!(
"let {binders_str_mut} = match {init_expr} {{
{indent1}{pat_no_mut} => {binders_str},
{indent1}_ => {branch2}
{indent}}};"
)
};
edit.replace(target, replace);
},
)
}
#[cfg(test)]
mod tests {
use super::*;

37
crates/ide-assists/src/handlers/convert_match_to_let_else.rs
View file

@ -16,7 +16,7 @@ use crate::{
// ```
// # //- minicore: option
// fn foo(opt: Option<()>) {
// let val = $0match opt {
// let val$0 = match opt {
// Some(it) => it,
// None => return,
// };
@ -30,7 +30,10 @@ use crate::{
// ```
pub(crate) fn convert_match_to_let_else(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
let let_stmt: ast::LetStmt = ctx.find_node_at_offset()?;
let binding = let_stmt.pat()?;
let pat = let_stmt.pat()?;
if ctx.offset() > pat.syntax().text_range().end() {
return None;
}
let Some(ast::Expr::MatchExpr(initializer)) = let_stmt.initializer() else { return None };
let initializer_expr = initializer.expr()?;
@ -56,7 +59,7 @@ pub(crate) fn convert_match_to_let_else(acc: &mut Assists, ctx: &AssistContext<'
let_stmt.syntax().text_range(),
|builder| {
let extracting_arm_pat =
rename_variable(&extracting_arm_pat, &extracted_variable_positions, binding);
rename_variable(&extracting_arm_pat, &extracted_variable_positions, pat);
builder.replace(
let_stmt.syntax().text_range(),
format!("let {extracting_arm_pat} = {initializer_expr} else {diverging_arm_expr};"),
@ -161,7 +164,7 @@ mod tests {
r#"
//- minicore: option
fn foo(opt: Option<()>) {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it,
None => (),
};
@ -211,7 +214,7 @@ fn foo(opt: Option<Foo>) -> Result<u32, ()> {
r#"
//- minicore: option
fn foo(opt: Option<i32>) {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it + 1,
None => return,
};
@ -224,7 +227,7 @@ fn foo(opt: Option<i32>) {
r#"
//- minicore: option
fn foo(opt: Option<()>) {
let val = $0match opt {
let val$0 = match opt {
Some(it) => {
let _ = 1 + 1;
it
@ -244,7 +247,7 @@ fn foo(opt: Option<()>) {
r#"
//- minicore: option
fn foo(opt: Option<()>) {
let val = $0match opt {
let val$0 = match opt {
Some(it) if 2 > 1 => it,
None => return,
};
@ -260,7 +263,7 @@ fn foo(opt: Option<()>) {
r#"
//- minicore: option
fn foo(opt: Option<()>) {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it,
None => return,
};
@ -281,7 +284,7 @@ fn foo(opt: Option<()>) {
r#"
//- minicore: option
fn foo(opt: Option<()>) {
let ref mut val = $0match opt {
let ref mut val$0 = match opt {
Some(it) => it,
None => return,
};
@ -302,7 +305,7 @@ fn foo(opt: Option<()>) {
r#"
//- minicore: option, result
fn foo(opt: Option<Result<()>>) {
let val = $0match opt {
let val$0 = match opt {
Some(Ok(it)) => it,
_ => return,
};
@ -324,7 +327,7 @@ fn foo(opt: Option<Result<()>>) {
//- minicore: option
fn foo(opt: Option<()>) {
loop {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it,
None => break,
};
@ -346,7 +349,7 @@ fn foo(opt: Option<()>) {
//- minicore: option
fn foo(opt: Option<()>) {
loop {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it,
None => continue,
};
@ -370,7 +373,7 @@ fn panic() -> ! {}
fn foo(opt: Option<()>) {
loop {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it,
None => panic(),
};
@ -401,7 +404,7 @@ struct Point {
}
fn foo(opt: Option<Point>) {
let val = $0match opt {
let val$0 = match opt {
Some(Point { x: 0, y }) => y,
_ => return,
};
@ -427,7 +430,7 @@ fn foo(opt: Option<Point>) {
r#"
//- minicore: option
fn foo(opt: Option<i32>) -> Option<i32> {
let val = $0match opt {
let val$0 = match opt {
it @ Some(42) => it,
_ => return None,
};
@ -450,7 +453,7 @@ fn foo(opt: Option<i32>) -> Option<i32> {
r#"
//- minicore: option
fn f() {
let (x, y) = $0match Some((0, 1)) {
let (x, y)$0 = match Some((0, 1)) {
Some(it) => it,
None => return,
};
@ -471,7 +474,7 @@ fn f() {
r#"
//- minicore: option
fn f() {
let x = $0match Some(()) {
let x$0 = match Some(()) {
Some(it) => it,
None => {//comment
println!("nope");

6
crates/ide-assists/src/handlers/generate_constant.rs
View file

@ -106,10 +106,10 @@ fn get_text_for_generate_constant(
let mut text = format!("{vis}const {constant_token}: {type_name} = $0;");
while let Some(name_ref) = not_exist_name_ref.pop() {
let vis = if not_exist_name_ref.len() == 0 && !outer_exists { "" } else { "\npub " };
text = text.replace("\n", "\n ");
text = text.replace('\n', "\n ");
text = format!("{vis}mod {name_ref} {{{text}\n}}");
}
Some(text.replace("\n", &format!("\n{indent}")))
Some(text.replace('\n', &format!("\n{indent}")))
}
fn target_data_for_generate_constant(
@ -131,7 +131,7 @@ fn target_data_for_generate_constant(
let siblings_has_newline = l_curly_token
.siblings_with_tokens(Direction::Next)
.find(|it| it.kind() == SyntaxKind::WHITESPACE && it.to_string().contains("\n"))
.find(|it| it.kind() == SyntaxKind::WHITESPACE && it.to_string().contains('\n'))
.is_some();
let post_string =
if siblings_has_newline { format!("{indent}") } else { format!("\n{indent}") };

5
crates/ide-assists/src/handlers/reorder_fields.rs
View file

@ -20,9 +20,10 @@ use crate::{AssistContext, AssistId, AssistKind, Assists};
// const test: Foo = Foo {foo: 1, bar: 0}
// ```
pub(crate) fn reorder_fields(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
let record = ctx.find_node_at_offset::<Either<ast::RecordExpr, ast::RecordPat>>()?;
let path = ctx.find_node_at_offset::<ast::Path>()?;
let record =
path.syntax().parent().and_then(<Either<ast::RecordExpr, ast::RecordPat>>::cast)?;
let path = record.as_ref().either(|it| it.path(), |it| it.path())?;
let ranks = compute_fields_ranks(&path, ctx)?;
let get_rank_of_field =
|of: Option<_>| *ranks.get(&of.unwrap_or_default()).unwrap_or(&usize::MAX);

8
crates/ide-assists/src/handlers/unwrap_block.rs
View file

@ -51,15 +51,11 @@ pub(crate) fn unwrap_block(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option
let replaced = match list.syntax().last_child() {
Some(last) => {
let stmts: Vec<ast::Stmt> = list.statements().collect();
let initializer = ast::Expr::cast(last.clone())?;
let initializer = ast::Expr::cast(last)?;
let let_stmt = make::let_stmt(pattern, ty, Some(initializer));
if stmts.len() > 0 {
let block = make::block_expr(stmts, None);
format!(
"{}\n {}",
update_expr_string(block.to_string()),
let_stmt.to_string()
)
format!("{}\n {}", update_expr_string(block.to_string()), let_stmt)
} else {
let_stmt.to_string()
}

2
crates/ide-assists/src/tests/generated.rs
View file

@ -439,7 +439,7 @@ fn doctest_convert_match_to_let_else() {
r#####"
//- minicore: option
fn foo(opt: Option<()>) {
let val = $0match opt {
let val$0 = match opt {
Some(it) => it,
None => return,
};

2
crates/ide-diagnostics/src/handlers/unlinked_file.rs
View file

@ -92,7 +92,7 @@ fn fixes(ctx: &DiagnosticsContext<'_>, file_id: FileId) -> Option<Vec<Assist>> {
// if we aren't adding to a crate root, walk backwards such that we support `#[path = ...]` overrides if possible
// build all parent paths of the form `../module_name/mod.rs` and `../module_name.rs`
let paths = iter::successors(Some(parent.clone()), |prev| prev.parent()).filter_map(|path| {
let paths = iter::successors(Some(parent), |prev| prev.parent()).filter_map(|path| {
let parent = path.parent()?;
let (name, _) = path.name_and_extension()?;
Some(([parent.join(&format!("{name}.rs"))?, path.join("mod.rs")?], name.to_owned()))

3
crates/rust-analyzer/src/cli/scip.rs
View file

@ -66,7 +66,6 @@ impl flags::Scip {
.as_os_str()
.to_str()
.ok_or(anyhow::anyhow!("Unable to normalize project_root path"))?
.to_string()
),
text_document_encoding: scip_types::TextEncoding::UTF8.into(),
special_fields: Default::default(),
@ -212,7 +211,7 @@ fn new_descriptor_str(
fn new_descriptor(name: Name, suffix: scip_types::descriptor::Suffix) -> scip_types::Descriptor {
let mut name = name.to_string();
if name.contains("'") {
if name.contains('\'') {
name = format!("`{name}`");
}

2
crates/rust-analyzer/src/to_proto.rs
View file

@ -279,7 +279,7 @@ fn completion_item(
let mut lsp_item = lsp_types::CompletionItem {
label: item.label.to_string(),
detail: item.detail.map(|it| it.to_string()),
detail: item.detail,
filter_text: Some(lookup),
kind: Some(completion_item_kind(item.kind)),
text_edit: Some(text_edit),