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Add collections/alloc features

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This commit is contained in:
Jethro Beekman 2016-07-10 13:11:32 -07:00
parent 52c72ecf9f
commit 3b0668806a
3 changed files with 42 additions and 5 deletions
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6
Cargo.toml
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@ -1,6 +1,6 @@
[package] [package]
name = "core_io" name = "core_io"
version = "0.0.20160708" version = "0.1.20160708"
authors = ["The Rust Project Developers", "Jethro Beekman"] authors = ["The Rust Project Developers", "Jethro Beekman"]
license = "MIT/Apache-2.0" license = "MIT/Apache-2.0"
description = """ description = """
@ -19,3 +19,7 @@ build = "build.rs"
[build-dependencies] [build-dependencies]
rustc_version = "0.1.7" rustc_version = "0.1.7"
[features]
alloc = []
collections = ["alloc"]

10
doc.sh
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@ -1,2 +1,10 @@
#!/bin/bash #!/bin/bash
cargo rustdoc -- --html-in-header <(echo '<style type="text/css">.docblock>*, .collapse-toggle, #toggle-all-docs { display: none; } #core_io-show-docblock+p { display: initial }</style>') cd "$(dirname "$0")"
HIDE_DOCBLOCKS='.docblock>*, .collapse-toggle, #toggle-all-docs { display: none; } #core_io-show-docblock+p { display: initial }'
FIX_ERRORSTRING='.method a.type[title="core_io::ErrorString"]:before { content: "Error"; }'
rm -rf target/doc
cargo rustdoc --features collections -- --html-in-header <(echo '<style type="text/css">'"$HIDE_DOCBLOCKS"'</style>')
mv target/doc target/doc_collections
cargo rustdoc --features alloc -- --html-in-header <(echo '<style type="text/css">'"$HIDE_DOCBLOCKS $FIX_ERROR_STRING"'</style>')
mv target/doc target/doc_alloc
cargo rustdoc -- --html-in-header <(echo '<style type="text/css">'"$HIDE_DOCBLOCKS $FIX_ERROR_STRING"'</style>')

31
src/lib.rs
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@ -6,10 +6,35 @@
#![feature(question_mark,const_fn,collections,alloc,unicode,copy_from_slice,str_char)] #![feature(question_mark,const_fn,collections,alloc,unicode,copy_from_slice,str_char)]
#![no_std] #![no_std]
#[macro_use] #[cfg_attr(feature="collections",macro_use)]
extern crate collections; #[cfg(feature="collections")] extern crate collections;
extern crate alloc; #[cfg(feature="alloc")] extern crate alloc;
extern crate rustc_unicode; extern crate rustc_unicode;
#[cfg(not(feature="collections"))]
pub type ErrorString = &'static str;
// Provide Box::new wrapper
#[cfg(not(feature="alloc"))]
struct FakeBox<T>(core::marker::PhantomData<T>);
#[cfg(not(feature="alloc"))]
impl<T> FakeBox<T> {
fn new(val: T) -> T {
val
}
}
// Needed for older compilers, to ignore vec!/format! macros in tests
#[cfg(not(feature="collections"))]
macro_rules! vec (
( $ elem : expr ; $ n : expr ) => { () };
( $ ( $ x : expr ) , * ) => { () };
( $ ( $ x : expr , ) * ) => { () };
);
#[cfg(not(feature="collections"))]
macro_rules! format {
( $ ( $ arg : tt ) * ) => { () };
}
include!(concat!(env!("OUT_DIR"), "/io.rs")); include!(concat!(env!("OUT_DIR"), "/io.rs"));
pub use io::*; pub use io::*;