use proc_macro_error::ResultExt;
use syn::parse::{ParseStream, Result};
use syn::{parenthesized, Ident, LitBool};
use deprecated::utils::parse_eq_and_lit_str;
use util::TREAT_NONE_AS_NULL_NOTE;
pub fn parse_changeset_options(name: Ident, input: ParseStream) -> Result<(Ident, LitBool)> {
if input.is_empty() {
abort!(name.span(), "unexpected end of input, expected parentheses");
}
let content;
parenthesized!(content in input);
let name: Ident = content.parse()?;
let name_str = name.to_string();
if name_str != "treat_none_as_null" {
abort!(name.span(), "expected `treat_none_as_null`");
}
Ok((name.clone(), {
let lit_str = parse_eq_and_lit_str(name, &content, TREAT_NONE_AS_NULL_NOTE)?;
lit_str.parse().unwrap_or_abort()
}))
}