Trait rustc::hir::GenericParamsExt

pub trait GenericParamsExt {
    fn lifetimes<'a>(
        &'a self
    ) -> FilterMap<Iter<GenericParam>, fn(_: &GenericParam) -> Option<&LifetimeDef>>;
    fn ty_params<'a>(
        &'a self
    ) -> FilterMap<Iter<GenericParam>, fn(_: &GenericParam) -> Option<&TyParam>>;
}

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Required Methods

Important traits for FilterMap<I, F>

impl<B, I, F> Iterator for FilterMap<I, F> where
    F: FnMut(<I as Iterator>::Item) -> Option<B>,
    I: Iterator,  type Item = B;

fn lifetimes<'a>(
    &'a self
) -> FilterMap<Iter<GenericParam>, fn(_: &GenericParam) -> Option<&LifetimeDef>>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Important traits for FilterMap<I, F>

impl<B, I, F> Iterator for FilterMap<I, F> where
    F: FnMut(<I as Iterator>::Item) -> Option<B>,
    I: Iterator,  type Item = B;

fn ty_params<'a>(
    &'a self
) -> FilterMap<Iter<GenericParam>, fn(_: &GenericParam) -> Option<&TyParam>>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Implementations on Foreign Types

impl GenericParamsExt for [GenericParam]

Important traits for FilterMap<I, F>

impl<B, I, F> Iterator for FilterMap<I, F> where
    F: FnMut(<I as Iterator>::Item) -> Option<B>,
    I: Iterator,  type Item = B;

fn lifetimes<'a>(     &'a self ) -> FilterMap<Iter<GenericParam>, fn(_: &GenericParam) -> Option<&LifetimeDef>>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Important traits for FilterMap<I, F>

impl<B, I, F> Iterator for FilterMap<I, F> where
    F: FnMut(<I as Iterator>::Item) -> Option<B>,
    I: Iterator,  type Item = B;

fn ty_params<'a>(     &'a self ) -> FilterMap<Iter<GenericParam>, fn(_: &GenericParam) -> Option<&TyParam>>

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

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Implementors