bendns' repos / collar
stable array collectors
no-std
Browse Source
bendn 2025-02-09
parent 2a80d83 · commit c540634
Diffstat
-rw-r--r--Cargo.toml3
-rw-r--r--src/error.rs12
-rw-r--r--src/lib.rs13
3 files changed, 15 insertions, 13 deletions
diff --git a/Cargo.toml b/Cargo.toml
index a759c0e..eb345e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,12 +1,13 @@
[package]
name = "collar"
-version = "1.0.0"
+version = "1.0.1"
edition = "2024"
authors = ["bend-n <[email protected]>"]
license = "MIT"
description = "easy array collection"
repository = "https://github.com/bend-n/collar"
keywords = ["array", "utility", "collect", "iterators"]
+categories = ["no-std", "algorithms", "rust-patterns", "no-std::no-alloc"]
[package.metadata.docs.rs]
rustdoc-args = ["--generate-link-to-definition"]
diff --git a/src/error.rs b/src/error.rs
index 2f4e3c4..027c8a5 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -13,8 +13,8 @@ impl<const N: usize, const O: usize, E: PartialEq> PartialEq<Error<O, E>> for Er
}
}
-impl<const N: usize, E: std::fmt::Display> std::fmt::Display for Error<N, E> {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+impl<const N: usize, E: core::fmt::Display> core::fmt::Display for Error<N, E> {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
match (&self.error, &self.at) {
(Some(x), at) => write!(f, "{x} @ {at} of {N}"),
(None, at) => write!(
@@ -25,8 +25,8 @@ impl<const N: usize, E: std::fmt::Display> std::fmt::Display for Error<N, E> {
}
}
-impl<const N: usize, E: std::fmt::Debug> std::fmt::Debug for Error<N, E> {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+impl<const N: usize, E: core::fmt::Debug> core::fmt::Debug for Error<N, E> {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
match (&self.error, &self.at) {
(Some(x), at) => write!(f, "{x:?} @ {at} of {N}"),
(None, at) => write!(f, "Size(wanted {N}, had {at})"),
@@ -34,8 +34,8 @@ impl<const N: usize, E: std::fmt::Debug> std::fmt::Debug for Error<N, E> {
}
}
-impl<const N: usize, E: std::error::Error + 'static> std::error::Error for Error<N, E> {
- fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+impl<const N: usize, E: core::error::Error + 'static> core::error::Error for Error<N, E> {
+ fn source(&self) -> Option<&(dyn core::error::Error + 'static)> {
Some(self.error.as_ref()?)
}
}
diff --git a/src/lib.rs b/src/lib.rs
index f2c50e1..63719e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,6 @@
+#![no_std]
//! provides [`collect_array`](CollectArray::collect_array) and [`try_from_fn`].
-//! allowing easy allocation-free collection to an array.
+//! allowing easy vec-free collection to an array.
//!
//! ```
//! # /*
@@ -10,12 +11,12 @@
//! # */
//! ```
-use error::Error;
-pub use error::Error as CollectorError;
-use std::{
+use core::{
mem::{ManuallyDrop as MD, MaybeUninit as MU, forget},
ptr::drop_in_place,
};
+use error::Error;
+pub use error::Error as CollectorError;
mod error;
mod maybe;
use maybe::Maybe;
@@ -102,7 +103,7 @@ pub trait CollectArray: Iterator + Sized {
/// )
/// ```
fn items<const N: usize>(&mut self) -> [Option<Self::Item>; N] {
- std::array::from_fn(|_| self.next())
+ from_fn(|_| self.next())
}
}
impl<I: Iterator> CollectArray for I {}
@@ -185,4 +186,4 @@ pub fn try_from_fn<R: Maybe, const N: usize>(
}
#[doc(no_inline)]
-pub use std::array::from_fn;
+pub use core::array::from_fn;