compris 0.0.11

Composite Primitive Schema (CPS) for Rust
Documentation 
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use super::super::{super::annotate::*, variant::*};

use {
    depiction::*,
    std::{fmt, io},
    thiserror::*,
};

//
// CastingError
//

/// Casting error.
#[derive(Debug, Error)]
pub struct CastingError<AnnotatedT> {
    /// Variant.
    pub variant: Variant<AnnotatedT>,

    /// Type name.
    pub type_name: String,
}

impl_annotated!(CastingError, variant);

impl<AnnotatedT> CastingError<AnnotatedT> {
    /// Constructor.
    pub fn new(variant: Variant<AnnotatedT>, type_name: String) -> Self {
        Self { variant, type_name }
    }
}

impl<AnnotatedT, NewAnnotatedT> IntoAnnotated<CastingError<NewAnnotatedT>> for CastingError<AnnotatedT>
where
    AnnotatedT: Annotated,
    NewAnnotatedT: Annotated + Default,
{
    fn into_annotated(self) -> CastingError<NewAnnotatedT> {
        CastingError::new(self.variant.into_annotated(), self.type_name)
    }
}

impl<AnnotatedT> Depict for CastingError<AnnotatedT> {
    fn depict<WriteT>(&self, writer: &mut WriteT, context: &DepictionContext) -> io::Result<()>
    where
        WriteT: io::Write,
    {
        write!(writer, "{} cannot be cast to a {}", self.variant, context.theme.error(&self.type_name))
    }
}

impl<AnnotatedT> fmt::Display for CastingError<AnnotatedT> {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(formatter, "{} cannot be cast to a {}", self.variant, self.type_name)
    }
}