Function concat

regex/regex-syntax/src/ast/parse.rs:2396–2398

Create a concatenation with the given range.

(range: Range<usize>, asts: Vec<Ast>)

    /// Create a concatenation with the given range.
    fn concat(range: Range<usize>, asts: Vec<Ast>) -> Ast {
        concat_with(span(range), asts)
    }

    /// Create a concatenation with the given span.
    fn concat_with(span: Span, asts: Vec<Ast>) -> Ast {