Struct Suggestion 

pub struct Suggestion {
    pub message: String,
    pub span: Span,
    pub replacement: String,
    pub applicability: Applicability,
}

A suggested code fix that can be applied to resolve a diagnostic.

Suggestions provide machine-readable fix information that IDEs and tools can use to offer quick-fix actions.

Fields

message: String

Human-readable description of what the suggestion does.

span: Span

The span of code to replace.

replacement: String

The replacement text.

applicability: Applicability

How confident we are that this fix is correct.

Implementations

impl Suggestion

pub fn new( message: impl Into<String>, span: Span, replacement: impl Into<String>, ) -> Self

Create a new suggestion with unspecified applicability.

pub fn machine_applicable( message: impl Into<String>, span: Span, replacement: impl Into<String>, ) -> Self

Create a suggestion that is safe to auto-apply.

pub fn maybe_incorrect( message: impl Into<String>, span: Span, replacement: impl Into<String>, ) -> Self

Create a suggestion that may need human review.

pub fn with_placeholders( message: impl Into<String>, span: Span, replacement: impl Into<String>, ) -> Self

Create a suggestion with placeholders.

pub fn with_applicability(self, applicability: Applicability) -> Self

Set the applicability of this suggestion.

Trait Implementations

impl Clone for Suggestion

fn clone(&self) -> Suggestion

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Suggestion

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.