Struct syntax::ext::tt::macro_parser::MatcherTtFrame

struct MatcherTtFrame {
    elts: TokenTreeOrTokenTreeVec,
    idx: usize,
}

🔬 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?

An unzipping of TokenTrees... see the stack field of MatcherPos.

This is used by inner_parse_loop to keep track of delimited submatchers that we have descended into.

Fields

elts: TokenTreeOrTokenTreeVec

🔬 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?

The "parent" matcher that we are descending into.

idx: usize

🔬 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?

The position of the "dot" in elts at the time we descended.

Trait Implementations

impl Clone for MatcherTtFrame

fn clone(&self) -> MatcherTtFrame

Returns a copy of the value.

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

Performs copy-assignment from source.