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Port core util lib to support no_std

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This commit is contained in:
Wei Tang
2018-05-15 08:22:29 +08:00
parent bb47c22618
commit a30afec0cd
10 changed files with 75 additions and 26 deletions
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17
src/lib.rs
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@ -1,3 +1,10 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![cfg_attr(not(feature = "std"), feature(alloc))]
#[cfg(not(feature = "std"))]
#[macro_use]
extern crate alloc;
extern crate parity_wasm;
extern crate byteorder;
#[macro_use] extern crate log;
@ -22,3 +29,13 @@ pub use gas::inject_gas_counter;
pub use ext::{externalize, externalize_mem, underscore_funcs, ununderscore_funcs, shrink_unknown_stack};
pub use pack::{pack_instance, Error as PackingError};
pub use runtime_type::inject_runtime_type;
#[cfg(not(feature = "std"))]
mod std {
pub use core::*;
pub use alloc::{vec, string, boxed, borrow};
pub mod collections {
pub use alloc::{BTreeMap, BTreeSet};
}
}