message: Rename AST builder ExprNode::not to ExprNode::negate
diff: @@ -8,7 +8,7 @@ impl ExprNode {
  minus(self)
  }
  #[allow(clippy::should_implement_trait)]
  - pub fn not(self) -> Self {
  + pub fn negate(self) -> Self {
  not(self)
  }
  pub fn factorial(self) -> Self {
  @@ -58,7 +58,7 @@ mod tests {
  let expected = "-10";
  test_expr(actual, expected);
  - let actual = (col("count").gt(num(5))).not();
  + let actual = (col("count").gt(num(5))).negate();
  let expected = "NOT count > 5";
  test_expr(actual, expected);
  