INNER CODE UNIT · Rust

expect_lit

c3rb3ru5d3d53c/binlex · crates/libvex/libvex-macros/src/lib.rs:439

    fn expect_lit(self) -> syn::Result<LitInt> {
        match self {
            Self::Int(lit) => Ok(lit),
            _ => panic!(),
        }
    }
}

impl Parse for AbiArg {
    fn parse(input: ParseStream) -> Result<Self> {
        let lookahead = input.lookahead1();
        if lookahead.peek(LitInt) {
            input.parse().map(Self::Int)
        } else {
            input.parse().map(Self::Expr)
        }
    }
}

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