Trait Handler 

pub trait Handler:
    Sized
    + Send
    + Sync
    + 'static {
    // Provided methods
    fn initialized(&self) -> bool { ... }
    fn handle(&self, message: Message) -> Option<Message> { ... }
    fn apply_workspace_edit(
        &self,
        _req: ApplyWorkspaceEditParams,
    ) -> Result<ApplyWorkspaceEditResponse, ResponseError> { ... }
    fn call_hierarchy_incoming_calls(
        &self,
        _req: CallHierarchyIncomingCallsParams,
    ) -> Result<Option<Vec<CallHierarchyIncomingCall>>, ResponseError> { ... }
    fn call_hierarchy_outgoing_calls(
        &self,
        _req: CallHierarchyOutgoingCallsParams,
    ) -> Result<Option<Vec<CallHierarchyOutgoingCall>>, ResponseError> { ... }
    fn call_hierarchy_prepare(
        &self,
        _req: CallHierarchyPrepareParams,
    ) -> Result<Option<Vec<CallHierarchyItem>>, ResponseError> { ... }
    fn code_action_request(
        &self,
        _req: CodeActionParams,
    ) -> Result<Option<CodeActionResponse>, ResponseError> { ... }
    fn code_action_resolve_request(
        &self,
        _req: CodeAction,
    ) -> Result<CodeAction, ResponseError> { ... }
    fn code_lens_refresh(&self) -> Result<(), ResponseError> { ... }
    fn code_lens_request(
        &self,
        _req: CodeLensParams,
    ) -> Result<Option<Vec<CodeLens>>, ResponseError> { ... }
    fn code_lens_resolve(
        &self,
        _req: CodeLens,
    ) -> Result<CodeLens, ResponseError> { ... }
    fn color_presentation_request(
        &self,
        _req: ColorPresentationParams,
    ) -> Result<Vec<ColorPresentation>, ResponseError> { ... }
    fn completion(
        &self,
        _req: CompletionParams,
    ) -> Result<Option<CompletionResponse>, ResponseError> { ... }
    fn document_color(
        &self,
        _req: DocumentColorParams,
    ) -> Result<Vec<ColorInformation>, ResponseError> { ... }
    fn document_diagnostic_request(
        &self,
        _req: DocumentDiagnosticParams,
    ) -> Result<DocumentDiagnosticReportResult, ResponseError> { ... }
    fn document_highlight_request(
        &self,
        _req: DocumentHighlightParams,
    ) -> Result<Option<Vec<DocumentHighlight>>, ResponseError> { ... }
    fn document_link_request(
        &self,
        _req: DocumentLinkParams,
    ) -> Result<Option<Vec<DocumentLink>>, ResponseError> { ... }
    fn document_link_resolve(
        &self,
        _req: DocumentLink,
    ) -> Result<DocumentLink, ResponseError> { ... }
    fn document_symbol_request(
        &self,
        _req: DocumentSymbolParams,
    ) -> Result<Option<DocumentSymbolResponse>, ResponseError> { ... }
    fn execute_command(
        &self,
        _req: ExecuteCommandParams,
    ) -> Result<Option<Value>, ResponseError> { ... }
    fn folding_range_request(
        &self,
        _req: FoldingRangeParams,
    ) -> Result<Option<Vec<FoldingRange>>, ResponseError> { ... }
    fn formatting(
        &self,
        _req: DocumentFormattingParams,
    ) -> Result<Option<Vec<TextEdit>>, ResponseError> { ... }
    fn goto_declaration(
        &self,
        _req: GotoDefinitionParams,
    ) -> Result<Option<GotoDefinitionResponse>, ResponseError> { ... }
    fn goto_definition(
        &self,
        _req: GotoDefinitionParams,
    ) -> Result<Option<GotoDefinitionResponse>, ResponseError> { ... }
    fn goto_implementation(
        &self,
        _req: GotoDefinitionParams,
    ) -> Result<Option<GotoDefinitionResponse>, ResponseError> { ... }
    fn goto_type_definition(
        &self,
        _req: GotoDefinitionParams,
    ) -> Result<Option<GotoDefinitionResponse>, ResponseError> { ... }
    fn hover_request(
        &self,
        _req: HoverParams,
    ) -> Result<Option<Hover>, ResponseError> { ... }
    fn initialize(
        &self,
        _req: InitializeParams,
    ) -> Result<InitializeResult, ResponseError> { ... }
    fn inlay_hint_refresh_request(&self) -> Result<(), ResponseError> { ... }
    fn inlay_hint_request(
        &self,
        _req: InlayHintParams,
    ) -> Result<Option<Vec<InlayHint>>, ResponseError> { ... }
    fn inlay_hint_resolve_request(
        &self,
        _req: InlayHint,
    ) -> Result<InlayHint, ResponseError> { ... }
    fn inline_value_refresh_request(&self) -> Result<(), ResponseError> { ... }
    fn inline_value_request(
        &self,
        _req: InlineValueParams,
    ) -> Result<Option<Vec<InlineValue>>, ResponseError> { ... }
    fn linked_editing_range(
        &self,
        _req: LinkedEditingRangeParams,
    ) -> Result<Option<LinkedEditingRanges>, ResponseError> { ... }
    fn moniker_request(
        &self,
        _req: MonikerParams,
    ) -> Result<Option<Vec<Moniker>>, ResponseError> { ... }
    fn on_type_formatting(
        &self,
        _req: DocumentOnTypeFormattingParams,
    ) -> Result<Option<Vec<TextEdit>>, ResponseError> { ... }
    fn prepare_rename_request(
        &self,
        _req: TextDocumentPositionParams,
    ) -> Result<Option<PrepareRenameResponse>, ResponseError> { ... }
    fn range_formatting(
        &self,
        _req: DocumentRangeFormattingParams,
    ) -> Result<Option<Vec<TextEdit>>, ResponseError> { ... }
    fn references(
        &self,
        _req: ReferenceParams,
    ) -> Result<Option<Vec<Location>>, ResponseError> { ... }
    fn register_capability(
        &self,
        _req: RegistrationParams,
    ) -> Result<(), ResponseError> { ... }
    fn rename(
        &self,
        _req: RenameParams,
    ) -> Result<Option<WorkspaceEdit>, ResponseError> { ... }
    fn resolve_completion_item(
        &self,
        _req: CompletionItem,
    ) -> Result<CompletionItem, ResponseError> { ... }
    fn selection_range_request(
        &self,
        _req: SelectionRangeParams,
    ) -> Result<Option<Vec<SelectionRange>>, ResponseError> { ... }
    fn semantic_tokens_full_delta_request(
        &self,
        _req: SemanticTokensDeltaParams,
    ) -> Result<Option<SemanticTokensFullDeltaResult>, ResponseError> { ... }
    fn semantic_tokens_full_request(
        &self,
        _req: SemanticTokensParams,
    ) -> Result<Option<SemanticTokensResult>, ResponseError> { ... }
    fn semantic_tokens_range_request(
        &self,
        _req: SemanticTokensRangeParams,
    ) -> Result<Option<SemanticTokensRangeResult>, ResponseError> { ... }
    fn semantic_tokens_refresh(&self) -> Result<(), ResponseError> { ... }
    fn show_document(
        &self,
        _req: ShowDocumentParams,
    ) -> Result<ShowDocumentResult, ResponseError> { ... }
    fn show_message_request(
        &self,
        _req: ShowMessageRequestParams,
    ) -> Result<Option<MessageActionItem>, ResponseError> { ... }
    fn shutdown(&self) -> Result<(), ResponseError> { ... }
    fn signature_help_request(
        &self,
        _req: SignatureHelpParams,
    ) -> Result<Option<SignatureHelp>, ResponseError> { ... }
    fn type_hierarchy_prepare(
        &self,
        _req: TypeHierarchyPrepareParams,
    ) -> Result<Option<Vec<TypeHierarchyItem>>, ResponseError> { ... }
    fn type_hierarchy_subtypes(
        &self,
        _req: TypeHierarchySubtypesParams,
    ) -> Result<Option<Vec<TypeHierarchyItem>>, ResponseError> { ... }
    fn type_hierarchy_supertypes(
        &self,
        _req: TypeHierarchySupertypesParams,
    ) -> Result<Option<Vec<TypeHierarchyItem>>, ResponseError> { ... }
    fn unregister_capability(
        &self,
        _req: UnregistrationParams,
    ) -> Result<(), ResponseError> { ... }
    fn will_create_files(
        &self,
        _req: CreateFilesParams,
    ) -> Result<Option<WorkspaceEdit>, ResponseError> { ... }
    fn will_delete_files(
        &self,
        _req: DeleteFilesParams,
    ) -> Result<Option<WorkspaceEdit>, ResponseError> { ... }
    fn will_rename_files(
        &self,
        _req: RenameFilesParams,
    ) -> Result<Option<WorkspaceEdit>, ResponseError> { ... }
    fn will_save_wait_until(
        &self,
        _req: WillSaveTextDocumentParams,
    ) -> Result<Option<Vec<TextEdit>>, ResponseError> { ... }
    fn work_done_progress_create(
        &self,
        _req: WorkDoneProgressCreateParams,
    ) -> Result<(), ResponseError> { ... }
    fn workspace_configuration(
        &self,
        _req: ConfigurationParams,
    ) -> Result<Vec<Value>, ResponseError> { ... }
    fn workspace_diagnostic_refresh(&self) -> Result<(), ResponseError> { ... }
    fn workspace_diagnostic_request(
        &self,
        _req: WorkspaceDiagnosticParams,
    ) -> Result<WorkspaceDiagnosticReportResult, ResponseError> { ... }
    fn workspace_folders_request(
        &self,
    ) -> Result<Option<Vec<WorkspaceFolder>>, ResponseError> { ... }
    fn workspace_symbol_request(
        &self,
        _req: WorkspaceSymbolParams,
    ) -> Result<Option<WorkspaceSymbolResponse>, ResponseError> { ... }
    fn workspace_symbol_resolve(
        &self,
        _req: WorkspaceSymbol,
    ) -> Result<WorkspaceSymbol, ResponseError> { ... }
    fn on_cancel(&self, _req: CancelParams) { ... }
    fn on_did_change_configuration(&self, _req: DidChangeConfigurationParams) { ... }
    fn on_did_change_notebook_document(
        &self,
        _req: DidChangeNotebookDocumentParams,
    ) { ... }
    fn on_did_change_text_document(&self, _req: DidChangeTextDocumentParams) { ... }
    fn on_did_change_watched_files(&self, _req: DidChangeWatchedFilesParams) { ... }
    fn on_did_change_workspace_folders(
        &self,
        _req: DidChangeWorkspaceFoldersParams,
    ) { ... }
    fn on_did_close_notebook_document(
        &self,
        _req: DidCloseNotebookDocumentParams,
    ) { ... }
    fn on_did_close_text_document(&self, _req: DidCloseTextDocumentParams) { ... }
    fn on_did_create_files(&self, _req: CreateFilesParams) { ... }
    fn on_did_delete_files(&self, _req: DeleteFilesParams) { ... }
    fn on_did_open_notebook_document(&self, _req: DidOpenNotebookDocumentParams) { ... }
    fn on_did_open_text_document(&self, _req: DidOpenTextDocumentParams) { ... }
    fn on_did_rename_files(&self, _req: RenameFilesParams) { ... }
    fn on_did_save_notebook_document(&self, _req: DidSaveNotebookDocumentParams) { ... }
    fn on_did_save_text_document(&self, _req: DidSaveTextDocumentParams) { ... }
    fn on_initialized(&self, _req: InitializedParams) { ... }
    fn on_log_message(&self, _req: LogMessageParams) { ... }
    fn on_log_trace(&self, _req: LogTraceParams) { ... }
    fn on_progress(&self, _req: ProgressParams) { ... }
    fn on_publish_diagnostics(&self, _req: PublishDiagnosticsParams) { ... }
    fn on_set_trace(&self, _req: SetTraceParams) { ... }
    fn on_show_message(&self, _req: ShowMessageParams) { ... }
    fn on_telemetry_event(&self, _req: OneOf<LSPObject, LSPArray>) { ... }
    fn on_will_save_text_document(&self, _req: WillSaveTextDocumentParams) { ... }
    fn on_work_done_progress_cance(&self, _req: WorkDoneProgressCancelParams) { ... }
}

Provided Methods

fn initialized(&self) -> bool

fn handle(&self, message: Message) -> Option<Message>

fn apply_workspace_edit( &self, _req: ApplyWorkspaceEditParams, ) -> Result<ApplyWorkspaceEditResponse, ResponseError>

fn call_hierarchy_incoming_calls( &self, _req: CallHierarchyIncomingCallsParams, ) -> Result<Option<Vec<CallHierarchyIncomingCall>>, ResponseError>

fn call_hierarchy_outgoing_calls( &self, _req: CallHierarchyOutgoingCallsParams, ) -> Result<Option<Vec<CallHierarchyOutgoingCall>>, ResponseError>

fn call_hierarchy_prepare( &self, _req: CallHierarchyPrepareParams, ) -> Result<Option<Vec<CallHierarchyItem>>, ResponseError>

fn code_action_request( &self, _req: CodeActionParams, ) -> Result<Option<CodeActionResponse>, ResponseError>

fn code_action_resolve_request( &self, _req: CodeAction, ) -> Result<CodeAction, ResponseError>

fn code_lens_refresh(&self) -> Result<(), ResponseError>

fn code_lens_request( &self, _req: CodeLensParams, ) -> Result<Option<Vec<CodeLens>>, ResponseError>

fn code_lens_resolve(&self, _req: CodeLens) -> Result<CodeLens, ResponseError>

fn color_presentation_request( &self, _req: ColorPresentationParams, ) -> Result<Vec<ColorPresentation>, ResponseError>

fn completion( &self, _req: CompletionParams, ) -> Result<Option<CompletionResponse>, ResponseError>

fn document_color( &self, _req: DocumentColorParams, ) -> Result<Vec<ColorInformation>, ResponseError>

fn document_diagnostic_request( &self, _req: DocumentDiagnosticParams, ) -> Result<DocumentDiagnosticReportResult, ResponseError>

fn document_highlight_request( &self, _req: DocumentHighlightParams, ) -> Result<Option<Vec<DocumentHighlight>>, ResponseError>

fn document_link_request( &self, _req: DocumentLinkParams, ) -> Result<Option<Vec<DocumentLink>>, ResponseError>

fn document_link_resolve( &self, _req: DocumentLink, ) -> Result<DocumentLink, ResponseError>

fn document_symbol_request( &self, _req: DocumentSymbolParams, ) -> Result<Option<DocumentSymbolResponse>, ResponseError>

fn execute_command( &self, _req: ExecuteCommandParams, ) -> Result<Option<Value>, ResponseError>

fn folding_range_request( &self, _req: FoldingRangeParams, ) -> Result<Option<Vec<FoldingRange>>, ResponseError>

fn formatting( &self, _req: DocumentFormattingParams, ) -> Result<Option<Vec<TextEdit>>, ResponseError>

fn goto_declaration( &self, _req: GotoDefinitionParams, ) -> Result<Option<GotoDefinitionResponse>, ResponseError>

fn goto_definition( &self, _req: GotoDefinitionParams, ) -> Result<Option<GotoDefinitionResponse>, ResponseError>

fn goto_implementation( &self, _req: GotoDefinitionParams, ) -> Result<Option<GotoDefinitionResponse>, ResponseError>

fn goto_type_definition( &self, _req: GotoDefinitionParams, ) -> Result<Option<GotoDefinitionResponse>, ResponseError>

fn hover_request( &self, _req: HoverParams, ) -> Result<Option<Hover>, ResponseError>

fn initialize( &self, _req: InitializeParams, ) -> Result<InitializeResult, ResponseError>

fn inlay_hint_refresh_request(&self) -> Result<(), ResponseError>

fn inlay_hint_request( &self, _req: InlayHintParams, ) -> Result<Option<Vec<InlayHint>>, ResponseError>

fn inlay_hint_resolve_request( &self, _req: InlayHint, ) -> Result<InlayHint, ResponseError>

fn inline_value_refresh_request(&self) -> Result<(), ResponseError>

fn inline_value_request( &self, _req: InlineValueParams, ) -> Result<Option<Vec<InlineValue>>, ResponseError>

fn linked_editing_range( &self, _req: LinkedEditingRangeParams, ) -> Result<Option<LinkedEditingRanges>, ResponseError>

fn moniker_request( &self, _req: MonikerParams, ) -> Result<Option<Vec<Moniker>>, ResponseError>

fn on_type_formatting( &self, _req: DocumentOnTypeFormattingParams, ) -> Result<Option<Vec<TextEdit>>, ResponseError>

fn prepare_rename_request( &self, _req: TextDocumentPositionParams, ) -> Result<Option<PrepareRenameResponse>, ResponseError>

fn range_formatting( &self, _req: DocumentRangeFormattingParams, ) -> Result<Option<Vec<TextEdit>>, ResponseError>

fn references( &self, _req: ReferenceParams, ) -> Result<Option<Vec<Location>>, ResponseError>

fn register_capability( &self, _req: RegistrationParams, ) -> Result<(), ResponseError>

fn rename( &self, _req: RenameParams, ) -> Result<Option<WorkspaceEdit>, ResponseError>

fn resolve_completion_item( &self, _req: CompletionItem, ) -> Result<CompletionItem, ResponseError>

fn selection_range_request( &self, _req: SelectionRangeParams, ) -> Result<Option<Vec<SelectionRange>>, ResponseError>

fn semantic_tokens_full_delta_request( &self, _req: SemanticTokensDeltaParams, ) -> Result<Option<SemanticTokensFullDeltaResult>, ResponseError>

fn semantic_tokens_full_request( &self, _req: SemanticTokensParams, ) -> Result<Option<SemanticTokensResult>, ResponseError>

fn semantic_tokens_range_request( &self, _req: SemanticTokensRangeParams, ) -> Result<Option<SemanticTokensRangeResult>, ResponseError>

fn semantic_tokens_refresh(&self) -> Result<(), ResponseError>

fn show_document( &self, _req: ShowDocumentParams, ) -> Result<ShowDocumentResult, ResponseError>

fn show_message_request( &self, _req: ShowMessageRequestParams, ) -> Result<Option<MessageActionItem>, ResponseError>

fn shutdown(&self) -> Result<(), ResponseError>

fn signature_help_request( &self, _req: SignatureHelpParams, ) -> Result<Option<SignatureHelp>, ResponseError>

fn type_hierarchy_prepare( &self, _req: TypeHierarchyPrepareParams, ) -> Result<Option<Vec<TypeHierarchyItem>>, ResponseError>

fn type_hierarchy_subtypes( &self, _req: TypeHierarchySubtypesParams, ) -> Result<Option<Vec<TypeHierarchyItem>>, ResponseError>

fn type_hierarchy_supertypes( &self, _req: TypeHierarchySupertypesParams, ) -> Result<Option<Vec<TypeHierarchyItem>>, ResponseError>

fn unregister_capability( &self, _req: UnregistrationParams, ) -> Result<(), ResponseError>

fn will_create_files( &self, _req: CreateFilesParams, ) -> Result<Option<WorkspaceEdit>, ResponseError>

fn will_delete_files( &self, _req: DeleteFilesParams, ) -> Result<Option<WorkspaceEdit>, ResponseError>

fn will_rename_files( &self, _req: RenameFilesParams, ) -> Result<Option<WorkspaceEdit>, ResponseError>

fn will_save_wait_until( &self, _req: WillSaveTextDocumentParams, ) -> Result<Option<Vec<TextEdit>>, ResponseError>

fn work_done_progress_create( &self, _req: WorkDoneProgressCreateParams, ) -> Result<(), ResponseError>

fn workspace_configuration( &self, _req: ConfigurationParams, ) -> Result<Vec<Value>, ResponseError>

fn workspace_diagnostic_refresh(&self) -> Result<(), ResponseError>

fn workspace_diagnostic_request( &self, _req: WorkspaceDiagnosticParams, ) -> Result<WorkspaceDiagnosticReportResult, ResponseError>

fn workspace_folders_request( &self, ) -> Result<Option<Vec<WorkspaceFolder>>, ResponseError>

fn workspace_symbol_request( &self, _req: WorkspaceSymbolParams, ) -> Result<Option<WorkspaceSymbolResponse>, ResponseError>

fn workspace_symbol_resolve( &self, _req: WorkspaceSymbol, ) -> Result<WorkspaceSymbol, ResponseError>

fn on_cancel(&self, _req: CancelParams)

fn on_did_change_configuration(&self, _req: DidChangeConfigurationParams)

fn on_did_change_notebook_document(&self, _req: DidChangeNotebookDocumentParams)

fn on_did_change_text_document(&self, _req: DidChangeTextDocumentParams)

fn on_did_change_watched_files(&self, _req: DidChangeWatchedFilesParams)

fn on_did_change_workspace_folders(&self, _req: DidChangeWorkspaceFoldersParams)

fn on_did_close_notebook_document(&self, _req: DidCloseNotebookDocumentParams)

fn on_did_close_text_document(&self, _req: DidCloseTextDocumentParams)

fn on_did_create_files(&self, _req: CreateFilesParams)

fn on_did_delete_files(&self, _req: DeleteFilesParams)

fn on_did_open_notebook_document(&self, _req: DidOpenNotebookDocumentParams)

fn on_did_open_text_document(&self, _req: DidOpenTextDocumentParams)

fn on_did_rename_files(&self, _req: RenameFilesParams)

fn on_did_save_notebook_document(&self, _req: DidSaveNotebookDocumentParams)

fn on_did_save_text_document(&self, _req: DidSaveTextDocumentParams)

fn on_initialized(&self, _req: InitializedParams)

fn on_log_message(&self, _req: LogMessageParams)

fn on_log_trace(&self, _req: LogTraceParams)

fn on_progress(&self, _req: ProgressParams)

fn on_publish_diagnostics(&self, _req: PublishDiagnosticsParams)

fn on_set_trace(&self, _req: SetTraceParams)

fn on_show_message(&self, _req: ShowMessageParams)

fn on_telemetry_event(&self, _req: OneOf<LSPObject, LSPArray>)

fn on_will_save_text_document(&self, _req: WillSaveTextDocumentParams)

fn on_work_done_progress_cance(&self, _req: WorkDoneProgressCancelParams)

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors