| // Copyright 2023 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| use proc_macro2::Ident; |
| use quote::format_ident; |
| |
| pub fn get_integer_type(width: usize) -> Ident { |
| let best_width = [8, 16, 32, 64] |
| .into_iter() |
| .filter(|x| *x >= width) |
| .min() |
| .unwrap_or_else(|| panic!("width {width} is too large")); |
| format_ident!("u{best_width}") |
| } |
