1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
// Copyright 2018-2021 Parity Technologies (UK) Ltd. // // 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 // // http://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. //! Data structures to operate on contract memory during contract execution. //! //! These definitions are useful since we are operating in a `no_std` environment //! and should be used by all ink! crates instead of directly using `std` or `alloc` //! crates. If needed we shall instead enhance the exposed types here. //! //! The `ink_prelude` crate guarantees a stable interface between `std` and `no_std` mode. #![cfg_attr(not(feature = "std"), no_std)] #[cfg(not(feature = "std"))] extern crate alloc; use cfg_if::cfg_if; cfg_if! { if #[cfg(feature = "std")] { pub use std::{ borrow, boxed, format, string, vec, }; /// Collection types. pub mod collections { pub use self::{ binary_heap::BinaryHeap, btree_map::BTreeMap, btree_set::BTreeSet, linked_list::LinkedList, vec_deque::VecDeque, Bound, }; pub use std::collections::*; } } else { pub use alloc::{ borrow, boxed, format, string, vec, }; /// Collection types. pub mod collections { pub use self::{ BTreeMap, BTreeSet, BinaryHeap, LinkedList, VecDeque, }; pub use alloc::collections::*; pub use core::ops::Bound; } } }