pub trait Expr: Into<ExprImpl> {
// Required methods
fn return_type(&self) -> DataType;
fn to_expr_proto(&self) -> ExprNode;
}
Expand description
the trait of bound expressions
Required Methods§
sourcefn return_type(&self) -> DataType
fn return_type(&self) -> DataType
Get the return type of the expr
sourcefn to_expr_proto(&self) -> ExprNode
fn to_expr_proto(&self) -> ExprNode
Serialize the expression
Object Safety§
This trait is not object safe.