public override bool Equals(object obj)
{
if (!(obj is BinaryExpr))
{
return(false);
}
BinaryExpr other = (BinaryExpr)obj;
return(Expr1.Equals(other.Expr1) && Expr2.Equals(other.Expr2));
}
public override Expr Simplify()
{
if (Expr1.Equals(new CstI(0)) && Expr2.Equals(new CstI(0)))
{
return(new CstI(0));
}
if (Expr1.Equals(Expr2))
{
return(new CstI(0));
}
return(Expr2.Equals(new CstI(0)) ? Expr1 : this);
}
public bool Equals(ISqlExpression?other, Func <ISqlExpression, ISqlExpression, bool> comparer)
{
if (this == other)
{
return(true);
}
return
(other is SqlBinaryExpression expr &&
Operation == expr.Operation &&
SystemType == expr.SystemType &&
Expr1.Equals(expr.Expr1, comparer) &&
Expr2.Equals(expr.Expr2, comparer) &&
comparer(this, other));
}
bool IEquatable <ISqlExpression> .Equals(ISqlExpression other)
{
if (this == other)
{
return(true);
}
var expr = other as SqlBinaryExpression;
return
(expr != null &&
Operation == expr.Operation &&
SystemType == expr.SystemType &&
Expr1.Equals(expr.Expr1) &&
Expr2.Equals(expr.Expr2));
}
public bool Equals(IQueryExpression other, Func <IQueryExpression, IQueryExpression, bool> comparer)
{
if (this == other)
{
return(true);
}
var expr = other as ISqlBinaryExpression;
return
(expr != null &&
Operation == expr.Operation &&
SystemType == expr.SystemType &&
Expr1.Equals(expr.Expr1, comparer) &&
Expr2.Equals(expr.Expr2, comparer) &&
comparer(this, other));
}