Merge pull request #19 from stevefan1999-personal/patch-no-std

Add no-std support

Author: noib3

Cargo.toml

@@ -18,10 +18,11 @@ features = ["graphemes", "simd", "utf16-metric"]
 rustdoc-args = ["--cfg", "docsrs"]
 
 [features]
-default = ["simd"]
+default = ["simd", "std"]
 graphemes = ["unicode-segmentation"]
 simd = ["str_indices/simd"]
 utf16-metric = []
+std = []
 
 # Private features
 small_chunks = []

src/lib.rs

@@ -139,12 +139,16 @@
 //!   UTF-16 instead of UTF-8, allowing them to efficiently convert UTF-16
 //!   code unit offsets to and from byte offsets in logarithmic time.
 
+#![cfg_attr(not(any(test, feature = "std")), no_std)]
 #![allow(clippy::explicit_auto_deref)]
 #![allow(clippy::module_inception)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 #![deny(missing_docs)]
 #![deny(rustdoc::broken_intra_doc_links)]
 #![deny(rustdoc::private_intra_doc_links)]
+#![warn(clippy::std_instead_of_core)]
+#![warn(clippy::std_instead_of_alloc)]
+#![warn(clippy::alloc_instead_of_core)]
 
 extern crate alloc;
 

src/rope/gap_buffer.rs

@@ -3,6 +3,8 @@
 //! It also implements several traits exported by the [tree](crate::tree)
 //! module on it to be able to use it as the leaf of our [`Rope`](crate::Rope).
 
+use alloc::boxed::Box;
+use alloc::vec::Vec;
 use core::ops::{Range, RangeBounds};
 
 use super::gap_slice::GapSlice;

src/rope/rope.rs

@@ -1,3 +1,4 @@
+use alloc::string::String;
 use core::ops::RangeBounds;
 
 use super::gap_buffer::GapBuffer;

src/rope/rope_slice.rs

@@ -1,3 +1,4 @@
+use alloc::string::String;
 use core::ops::RangeBounds;
 
 use super::iterators::{Bytes, Chars, Chunks, Lines, RawLines};

src/tree/leaves.rs

@@ -1,3 +1,5 @@
+use alloc::vec::Vec;
+
 use super::{Arc, Inode, Leaf, Metric, Node, Tree, TreeSlice};
 
 /// An iterator over the leaves of `Tree`s and `TreeSlice`s.

src/tree/node_internal.rs

@@ -1,3 +1,5 @@
+use alloc::string::String;
+use alloc::vec::Vec;
 use core::ops::{Range, RangeBounds};
 
 use super::traits::*;

src/tree/tiny_arc.rs

@@ -4,6 +4,7 @@
 //!
 //! [rclite]: https://github.com/fereidani/rclite
 
+use alloc::boxed::Box;
 use core::mem::MaybeUninit;
 use core::ptr::{addr_of_mut, NonNull};
 use core::sync::atomic;

src/tree/tree.rs

@@ -1,3 +1,4 @@
+use alloc::vec::Vec;
 use core::ops::Range;
 
 use super::*;

src/tree/tree_builder.rs

@@ -1,3 +1,5 @@
+use alloc::vec::Vec;
+
 use super::traits::{BalancedLeaf, Leaf};
 use super::{Arc, Inode, Lnode, Node, Tree};
 

src/tree/units.rs

@@ -1,3 +1,5 @@
+use alloc::vec::Vec;
+
 use super::traits::{DoubleEndedUnitMetric, Leaf, Metric, UnitMetric};
 use super::tree_slice;
 use super::{Arc, Lnode, Node, Tree, TreeSlice};