Struct rustc_typeck::check::cast::CastCheck

pub struct CastCheck<'tcx> {
    expr: &'tcx Expr,
    expr_ty: Ty<'tcx>,
    cast_ty: Ty<'tcx>,
    cast_span: Span,
    span: Span,
}

🔬 This is a nightly-only experimental API. (rustc_private)

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Reifies a cast check to be checked once we have full type information for a function context.

Fields

expr: &'tcx Expr

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expr_ty: Ty<'tcx>

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cast_ty: Ty<'tcx>

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cast_span: Span

🔬 This is a nightly-only experimental API. (rustc_private)

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span: Span

🔬 This is a nightly-only experimental API. (rustc_private)

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Methods

impl<'a, 'gcx, 'tcx> CastCheck<'tcx>

pub fn new(     fcx: &FnCtxt<'a, 'gcx, 'tcx>,     expr: &'tcx Expr,     expr_ty: Ty<'tcx>,     cast_ty: Ty<'tcx>,     cast_span: Span,     span: Span ) -> Result<CastCheck<'tcx>, ErrorReported>

🔬 This is a nightly-only experimental API. (rustc_private)

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fn report_cast_error(&self, fcx: &FnCtxt<'a, 'gcx, 'tcx>, e: CastError)

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fn report_cast_to_unsized_type(&self, fcx: &FnCtxt<'a, 'gcx, 'tcx>)

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fn trivial_cast_lint(&self, fcx: &FnCtxt<'a, 'gcx, 'tcx>)

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pub fn check(self, fcx: &FnCtxt<'a, 'gcx, 'tcx>)

🔬 This is a nightly-only experimental API. (rustc_private)

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fn do_check(&self, fcx: &FnCtxt<'a, 'gcx, 'tcx>) -> Result<CastKind, CastError>

🔬 This is a nightly-only experimental API. (rustc_private)

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Check a cast, and report an error if one exists. In some cases, this can return Ok and create type errors in the fcx rather than returning directly. coercion-cast is handled in check instead of here.

fn check_ptr_ptr_cast(     &self,     fcx: &FnCtxt<'a, 'gcx, 'tcx>,     m_expr: TypeAndMut<'tcx>,     m_cast: TypeAndMut<'tcx> ) -> Result<CastKind, CastError>

🔬 This is a nightly-only experimental API. (rustc_private)

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fn check_fptr_ptr_cast(     &self,     fcx: &FnCtxt<'a, 'gcx, 'tcx>,     m_cast: TypeAndMut<'tcx> ) -> Result<CastKind, CastError>

🔬 This is a nightly-only experimental API. (rustc_private)

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fn check_ptr_addr_cast(     &self,     fcx: &FnCtxt<'a, 'gcx, 'tcx>,     m_expr: TypeAndMut<'tcx> ) -> Result<CastKind, CastError>

🔬 This is a nightly-only experimental API. (rustc_private)

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fn check_ref_cast(     &self,     fcx: &FnCtxt<'a, 'gcx, 'tcx>,     m_expr: TypeAndMut<'tcx>,     m_cast: TypeAndMut<'tcx> ) -> Result<CastKind, CastError>

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fn check_addr_ptr_cast(     &self,     fcx: &FnCtxt<'a, 'gcx, 'tcx>,     m_cast: TypeAndMut<'tcx> ) -> Result<CastKind, CastError>

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fn try_coercion_cast(&self, fcx: &FnCtxt<'a, 'gcx, 'tcx>) -> bool

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