Enum HistoryPresentation 

pub enum HistoryPresentation {
    Domain {
        create: fn(PreviewInput) -> Result<Box<dyn HistoryPreview>, String>,
    },
    DomainWithAssets {
        create: fn(PreviewInput) -> Result<Box<dyn HistoryPreview>, String>,
        assets: fn() -> Rc<dyn HistoricalAssetSource>,
    },
    CheckedFiles {
        create: fn(FilePreviewInput) -> Result<Box<dyn HistoryPreview>, String>,
    },
    External {
        reason: &'static str,
    },
}

Variants

Domain

Fields

create: fn(PreviewInput) -> Result<Box<dyn HistoryPreview>, String>

DomainWithAssets

Stateless source factory installed only after scope/custody validation.

Fields

create: fn(PreviewInput) -> Result<Box<dyn HistoryPreview>, String>

assets: fn() -> Rc<dyn HistoricalAssetSource>

CheckedFiles

Fields

create: fn(FilePreviewInput) -> Result<Box<dyn HistoryPreview>, String>

External

Fields

reason: &'static str

Implementations

impl HistoryPresentation

pub fn preview_factory( &self, ) -> Option<fn(PreviewInput) -> Result<Box<dyn HistoryPreview>, String>>

Presentation factory only; does not construct or invoke an asset source.