hawdb_sql_syntax/
span.rs

1// Copyright 2026 Nowledge
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Hash)]
16pub struct Span {
17    pub start: usize,
18    pub end: usize,
19}
20
21impl Span {
22    pub const fn new(start: usize, end: usize) -> Self {
23        Self { start, end }
24    }
25
26    pub const fn len(self) -> usize {
27        self.end.saturating_sub(self.start)
28    }
29
30    pub const fn is_empty(self) -> bool {
31        self.start >= self.end
32    }
33}
hawdb_sql_syntax/span.rs

hawdb_sql_syntax/
span.rs
