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use crate::ast::{ConditionTree, Expression};
/// `AND`, `OR` and `NOT` conjuctive implementations.
pub trait Conjuctive<'a> {
/// Builds an `AND` condition having `self` as the left leaf and `other` as the right.
///
/// ```rust
/// # use quaint::{ast::*, visitor::{Visitor, Sqlite}};
/// assert_eq!(
/// "foo".equals("bar").and("wtf".less_than(3)),
/// ConditionTree::and("foo".equals("bar"), "wtf".less_than(3))
/// )
/// ```
fn and<E>(self, other: E) -> ConditionTree<'a>
where
E: Into<Expression<'a>>;
/// Builds an `OR` condition having `self` as the left leaf and `other` as the right.
///
/// ```rust
/// # use quaint::{ast::*, visitor::{Visitor, Sqlite}};
/// assert_eq!(
/// "foo".equals("bar").or("wtf".less_than(3)),
/// ConditionTree::or("foo".equals("bar"), "wtf".less_than(3))
/// )
/// ```
fn or<E>(self, other: E) -> ConditionTree<'a>
where
E: Into<Expression<'a>>;
/// Builds a `NOT` condition having `self` as the condition.
///
/// ```rust
/// # use quaint::{ast::*, visitor::{Visitor, Sqlite}};
/// assert_eq!(
/// "foo".equals("bar").not(),
/// ConditionTree::not("foo".equals("bar"))
/// )
/// ```
fn not(self) -> ConditionTree<'a>;
}
impl<'a, T> Conjuctive<'a> for T
where
T: Into<Expression<'a>>,
{
#[inline]
fn and<E>(self, other: E) -> ConditionTree<'a>
where
E: Into<Expression<'a>>,
{
ConditionTree::and(self.into(), other.into())
}
#[inline]
fn or<E>(self, other: E) -> ConditionTree<'a>
where
E: Into<Expression<'a>>,
{
ConditionTree::or(self.into(), other.into())
}
#[inline]
fn not(self) -> ConditionTree<'a> {
ConditionTree::not(self.into())
}
}