fish-shell/src/builtins/exit.rs

use super::prelude::*;
use super::r#return::parse_return_value;

/// Function for handling the exit builtin.
pub fn exit(parser: &Parser, streams: &mut IoStreams, args: &mut [&wstr]) -> Option<c_int> {
    let retval = match parse_return_value(args, parser, streams) {
        Ok(v) => v,
        Err(e) => return e,
    };

    // Mark that we are exiting in the parser.
    // TODO: in concurrent mode this won't successfully exit a pipeline, as there are other parsers
    // involved. That is, `exit | sleep 1000` may not exit as hoped. Need to rationalize what
    // behavior we want here.
    parser.libdata_mut().pods.exit_current_script = true;

    return Some(retval);
}