fix: merge multiple suggestions into a single multi-span suggestion in needless_late_init
This commit is contained in:
roife
parent
befb659145
commit
362ef42b68
@ -273,24 +273,16 @@ fn check<'tcx>(
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msg_span,
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"unneeded late initialization",
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|diag| {
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diag.tool_only_span_suggestion(
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local_stmt.span,
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"remove the local",
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"",
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Applicability::MachineApplicable,
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);
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diag.span_suggestion(
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assign.lhs_span,
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format!("declare `{binding_name}` here"),
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let_snippet,
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diag.multipart_suggestion(
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format!("move the declaration `{binding_name}` here"),
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vec![(local_stmt.span, String::new()), (assign.lhs_span, let_snippet)],
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Applicability::MachineApplicable,
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);
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},
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);
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},
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ExprKind::If(cond, then_expr, Some(else_expr)) if !contains_let(cond) => {
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let (applicability, suggestions) = assignment_suggestions(cx, binding_id, [then_expr, else_expr])?;
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let (applicability, mut suggestions) = assignment_suggestions(cx, binding_id, [then_expr, else_expr])?;
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span_lint_and_then(
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cx,
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@ -298,30 +290,26 @@ fn check<'tcx>(
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local_stmt.span,
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"unneeded late initialization",
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|diag| {
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diag.tool_only_span_suggestion(local_stmt.span, "remove the local", String::new(), applicability);
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diag.span_suggestion_verbose(
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usage.stmt.span.shrink_to_lo(),
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format!("declare `{binding_name}` here"),
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format!("{let_snippet} = "),
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applicability,
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);
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diag.multipart_suggestion("remove the assignments from the branches", suggestions, applicability);
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suggestions.push((local_stmt.span, String::new()));
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suggestions.push((usage.stmt.span.shrink_to_lo(), format!("{let_snippet} = ")));
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if usage.needs_semi {
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diag.span_suggestion(
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usage.stmt.span.shrink_to_hi(),
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"add a semicolon after the `if` expression",
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";",
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applicability,
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);
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suggestions.push((usage.stmt.span.shrink_to_hi(), ";".to_owned()));
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}
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diag.multipart_suggestion(
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format!(
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"move the declaration `{binding_name}` here and remove the assignments from the branches"
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),
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suggestions,
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applicability,
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);
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},
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);
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},
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ExprKind::Match(_, arms, MatchSource::Normal) => {
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let (applicability, suggestions) = assignment_suggestions(cx, binding_id, arms.iter().map(|arm| arm.body))?;
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let (applicability, mut suggestions) =
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assignment_suggestions(cx, binding_id, arms.iter().map(|arm| arm.body))?;
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span_lint_and_then(
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cx,
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@ -329,29 +317,18 @@ fn check<'tcx>(
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local_stmt.span,
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"unneeded late initialization",
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|diag| {
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diag.tool_only_span_suggestion(local_stmt.span, "remove the local", String::new(), applicability);
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suggestions.push((local_stmt.span, String::new()));
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suggestions.push((usage.stmt.span.shrink_to_lo(), format!("{let_snippet} = ")));
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diag.span_suggestion_verbose(
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usage.stmt.span.shrink_to_lo(),
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format!("declare `{binding_name}` here"),
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format!("{let_snippet} = "),
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applicability,
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);
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if usage.needs_semi {
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suggestions.push((usage.stmt.span.shrink_to_hi(), ";".to_owned()));
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}
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diag.multipart_suggestion(
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"remove the assignments from the `match` arms",
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format!("move the declaration `{binding_name}` here and remove the assignments from the `match` arms"),
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suggestions,
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applicability,
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);
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if usage.needs_semi {
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diag.span_suggestion(
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usage.stmt.span.shrink_to_hi(),
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"add a semicolon after the `match` expression",
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";",
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applicability,
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);
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}
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},
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);
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},
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@ -8,10 +8,11 @@ LL | a = "zero";
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= note: `-D clippy::needless-late-init` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::needless_late_init)]`
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help: declare `a` here
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help: move the declaration `a` here
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LL ~
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LL ~ let a = "zero";
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LL | let a = "zero";
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:30:5
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@ -22,10 +23,12 @@ LL | let c;
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LL | b = 1;
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| ^^^^^ initialised here
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help: declare `b` here
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help: move the declaration `b` here
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LL ~
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LL | let c;
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LL ~ let b = 1;
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|
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LL | let b = 1;
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:31:5
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@ -36,10 +39,12 @@ LL | b = 1;
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LL | c = 2;
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| ^^^^^ initialised here
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help: declare `c` here
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help: move the declaration `c` here
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LL ~
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LL | b = 1;
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LL ~ let c = 2;
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LL | let c = 2;
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:35:5
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@ -49,10 +54,11 @@ LL | let d: usize;
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LL | d = 1;
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| ^^^^^ initialised here
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help: declare `d` here
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help: move the declaration `d` here
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LL ~
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LL ~ let d: usize = 1;
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LL | let d: usize = 1;
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| ~~~~~~~~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:38:5
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@ -62,10 +68,11 @@ LL | let e;
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LL | e = format!("{}", d);
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| ^^^^^^^^^^^^^^^^^^^^ initialised here
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help: declare `e` here
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help: move the declaration `e` here
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LL ~
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LL ~ let e = format!("{}", d);
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LL | let e = format!("{}", d);
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:43:5
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@ -73,20 +80,17 @@ error: unneeded late initialization
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LL | let a;
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| ^^^^^^
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help: declare `a` here
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LL | let a = match n {
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| +++++++
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help: remove the assignments from the `match` arms
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help: move the declaration `a` here and remove the assignments from the `match` arms
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LL ~
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LL | let n = 1;
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LL ~ let a = match n {
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LL ~ 1 => "one",
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LL | _ => {
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LL ~ "two"
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LL | },
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LL ~ };
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help: add a semicolon after the `match` expression
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LL | };
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| +
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:52:5
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@ -94,20 +98,15 @@ error: unneeded late initialization
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LL | let b;
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| ^^^^^^
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help: declare `b` here
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LL | let b = if n == 3 {
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| +++++++
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help: remove the assignments from the branches
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help: move the declaration `b` here and remove the assignments from the branches
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LL ~
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LL ~ let b = if n == 3 {
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LL ~ "four"
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LL | } else {
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LL ~ "five"
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LL ~ };
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help: add a semicolon after the `if` expression
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LL | };
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| +
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:59:5
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@ -115,20 +114,16 @@ error: unneeded late initialization
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LL | let d;
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| ^^^^^^
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help: declare `d` here
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LL | let d = if true {
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| +++++++
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help: remove the assignments from the branches
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help: move the declaration `d` here and remove the assignments from the branches
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LL ~
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LL ~ let d = if true {
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LL | let temp = 5;
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LL ~ temp
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LL | } else {
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LL ~ 15
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LL ~ };
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help: add a semicolon after the `if` expression
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LL | };
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| +
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:67:5
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@ -136,20 +131,15 @@ error: unneeded late initialization
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LL | let e;
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| ^^^^^^
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help: declare `e` here
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LL | let e = if true {
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| +++++++
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help: remove the assignments from the branches
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help: move the declaration `e` here and remove the assignments from the branches
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LL ~
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LL ~ let e = if true {
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LL ~ format!("{} {}", a, b)
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LL | } else {
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LL ~ format!("{}", n)
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LL ~ };
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help: add a semicolon after the `if` expression
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LL | };
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| +
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:74:5
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@ -157,14 +147,11 @@ error: unneeded late initialization
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LL | let f;
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| ^^^^^^
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help: declare `f` here
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help: move the declaration `f` here and remove the assignments from the `match` arms
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LL | let f = match 1 {
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| +++++++
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help: remove the assignments from the `match` arms
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LL - 1 => f = "three",
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LL + 1 => "three",
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LL ~
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LL ~ let f = match 1 {
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LL ~ 1 => "three",
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error: unneeded late initialization
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@ -173,19 +160,15 @@ error: unneeded late initialization
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LL | let g: usize;
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| ^^^^^^^^^^^^^
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help: declare `g` here
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help: move the declaration `g` here and remove the assignments from the branches
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LL | let g: usize = if true {
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| ++++++++++++++
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help: remove the assignments from the branches
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LL ~
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LL ~ let g: usize = if true {
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LL ~ 5
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LL | } else {
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LL | panic!();
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LL ~ };
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LL - g = 5;
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LL + 5
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help: add a semicolon after the `if` expression
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LL | };
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| +
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:88:5
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@ -196,10 +179,12 @@ LL | let y = SignificantDrop;
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LL | x = 1;
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| ^^^^^ initialised here
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help: declare `x` here
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help: move the declaration `x` here
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LL ~
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LL | let y = SignificantDrop;
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LL ~ let x = 1;
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LL | let x = 1;
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:92:5
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@ -210,10 +195,12 @@ LL | let y = 1;
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LL | x = SignificantDrop;
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| ^^^^^^^^^^^^^^^^^^^ initialised here
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help: declare `x` here
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help: move the declaration `x` here
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LL ~
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LL | let y = 1;
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LL ~ let x = SignificantDrop;
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LL | let x = SignificantDrop;
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:96:5
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@ -224,10 +211,14 @@ LL | let x;
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LL | x = SignificantDrop;
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| ^^^^^^^^^^^^^^^^^^^ initialised here
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help: declare `x` here
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help: move the declaration `x` here
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|
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LL ~
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LL | // types that should be considered insignificant
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...
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LL | let y = Box::new(4);
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LL ~ let x = SignificantDrop;
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LL | let x = SignificantDrop;
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| ~~~~~
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:115:5
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@ -235,20 +226,17 @@ error: unneeded late initialization
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LL | let a;
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| ^^^^^^
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|
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help: declare `a` here
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|
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LL | let a = match n {
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| +++++++
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help: remove the assignments from the `match` arms
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help: move the declaration `a` here and remove the assignments from the `match` arms
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|
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LL ~
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LL | let n = 1;
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LL ~ let a = match n {
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LL ~ 1 => f().await,
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LL | _ => {
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LL ~ "two"
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LL | },
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LL ~ };
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|
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help: add a semicolon after the `match` expression
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|
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LL | };
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| +
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error: unneeded late initialization
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--> tests/ui/needless_late_init.rs:132:5
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@ -256,20 +244,17 @@ error: unneeded late initialization
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LL | let a;
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| ^^^^^^
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|
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help: declare `a` here
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|
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LL | let a = match n {
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| +++++++
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help: remove the assignments from the `match` arms
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help: move the declaration `a` here and remove the assignments from the `match` arms
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|
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LL ~
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LL | let n = 1;
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LL ~ let a = match n {
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LL ~ 1 => f(),
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LL | _ => {
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LL ~ "two"
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LL | },
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LL ~ };
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|
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help: add a semicolon after the `match` expression
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|
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LL | };
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| +
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error: aborting due to 16 previous errors
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