Struct Fn 

pub struct Fn<'tcx> {
    def_id: DefId,
    args: Option<GenericArgsRef<'tcx>>,
    rustc_sig: PolyFnSig<'tcx>,
    param_env: ParamEnv<'tcx>,
    inline: InlineAttr,
    sig: PolyFnSig<'tcx>,
    fn_trait_impls: OnceCell<Option<FnTraitImpls<'tcx>>>,
}

Fields

def_id: DefId

args: Option<GenericArgsRef<'tcx>>

rustc_sig: PolyFnSig<'tcx>

The signature, instantiated with args if relevant.

param_env: ParamEnv<'tcx>

inline: InlineAttr

sig: PolyFnSig<'tcx>

fn_trait_impls: OnceCell<Option<FnTraitImpls<'tcx>>>

Computed on demand, see Fn::fn_trait_impls.

Implementations

impl<'tcx> Fn<'tcx>

pub fn param_env(&self) -> &ParamEnv<'tcx>

pub fn inline(&self) -> &InlineAttr

pub fn sig(&self) -> &PolyFnSig<'tcx>

pub fn fn_trait_impls( &self, s: &impl BaseState<'tcx>, ) -> Option<&FnTraitImpls<'tcx>>

The virtual Fn* impls for this function, if it is Fn*-compatible.

Trait Implementations

impl<'tcx> Clone for Fn<'tcx>

fn clone(&self) -> Fn<'tcx>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'tcx> Debug for Fn<'tcx>

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

Formats the value using the given formatter.