toasty-sql 0.4.0

SQL serialization layer for Toasty database drivers
Documentation 
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use crate::serializer::ExprContext;

use super::{Formatter, Params, ToSql};

/// Comma delimited
pub(super) struct Comma<L>(pub(super) L);

/// Period delimited
pub(super) struct Period<L>(pub(super) L);

/// Separated by a custom delimiter
pub(super) struct Delimited<L>(pub(super) L, pub(super) &'static str);

impl<L> ToSql for Comma<L>
where
    L: IntoIterator,
    L::Item: ToSql,
{
    fn to_sql<P: Params>(self, cx: &ExprContext<'_>, f: &mut Formatter<'_, P>) {
        Delimited(self.0, ", ").to_sql(cx, f);
    }
}

impl<L> ToSql for Period<L>
where
    L: IntoIterator,
    L::Item: ToSql,
{
    fn to_sql<P: Params>(self, cx: &ExprContext<'_>, f: &mut Formatter<'_, P>) {
        Delimited(self.0, ".").to_sql(cx, f);
    }
}

impl<L> ToSql for Delimited<L>
where
    L: IntoIterator,
    L::Item: ToSql,
{
    fn to_sql<P: Params>(self, cx: &ExprContext<'_>, f: &mut Formatter<'_, P>) {
        let mut s = "";
        for i in self.0.into_iter() {
            fmt!(cx, f, s i);
            s = self.1;
        }
    }
}