marcusklaas

use std::env;
use std::process::exit;
use std::str::Chars;
use std::iter::Peekable;

#[derive(Debug, PartialEq, Eq)]
enum LispExpr {
    Integer(u64),
    Operator(String),
    SubExpr(Vec<LispExpr>),

marcusklaas

pub trait AsRev {
    fn as_rev(&self) -> &ListItem;
}

impl AsRev for ListItem {
    fn as_rev(&self) -> &ListItem {
        &self
    }
}

marcusklaas

pub struct ListItems<'a, I, F1, F2, F3>
    where I: Iterator
{
    codemap: &'a CodeMap,
    inner: Peekable<I>,
    get_lo: F1,
    get_hi: F2,
    get_item_string: F3,
    prev_span_end: BytePos,
    next_span_start: BytePos,

marcusklaas

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marcusklaas

/// A trait for types that can be created from a SQLite value.
pub trait FromSql {
    unsafe fn column_result(stmt: *mut sqlite3_stmt, col: c_int) -> SqliteResult<Self>;
}

impl<'a, T> FromSql for T where T: convert::From<&'a str> {
    unsafe fn column_result(stmt: *mut sqlite3_stmt, col: c_int) -> SqliteResult<T> {
        let c_text = ffi::sqlite3_column_text(stmt, col);
        if c_text.is_null() {
            Ok(T::from(""))

marcusklaas

    pub fn query_and_collect<T, F, C>(&self, sql: &str, params: &[&ToSql], f: F) -> SqliteResult<C>
                                   where F: Fn(SqliteRow) -> T + Copy, // FIXME: is the Copy really necessary?
                                         C: FromIterator<T> {
        let mut statement = try!(self.prepare(sql));
        
        statement
            .query(params)
            .and_then(|rows| {
                rows
                    .map(|row| {