Marker traits for primitive types

This crate provides marker traits for primitive types:

• Prim;
  • PrimTextual;
  • PrimNum;
    • PrimInt;
    • PrimSignedInt;
    • PrimUnsignedInt;
  • PrimFloat.

Example

Cargo.toml

```toml

...

[dependencies] just_prim = { version = "0.1.0" }

...

[features]

https://doc.rust-lang.org/beta/unstable-book/language-features/marker-trait-attr.html

markertraitattr = ["justprim/markertrait_attr"] ```

src/main.rs

```rust // Uncomment if you want to conditionally use the feature. Remove otherwise. // #![cfgattr(feature = "markertraitattr", feature(markertrait_attr))]

use just_prim::Prim;

trait MyExtensionTraitForPrimTys: Prim { // ... }

fn main() {} ```

Building, running, and testing

• cargo build <other options> --features marker_trait_attr if you want the feature and cargo build <other options> otherwise;
• cargo run<other options> --features marker_trait_attr if you want the feature and cargo build <other options> otherwise;
• cargo test <other options> --features marker_trait_attr if you want the feature and cargo test <other options> otherwise.

Features

With marker_trait_attr Nightly feature, each of the provided traits also has #[marker] attribute which allows more optimal implementation of traits via two or more "overlapping" generic impl blocks. Without #[marker] attribute, the "overlapping" impl blocks would be conflicting.

Similar crates by the author:

• epui - Equisized (primitive) unsigned ints for primitive ints: u8 for u8, u16 for i16, etc
• epsi - Equisized (primitive) signed ints for primitive ints
• primitive_promotion - Primitive promotions for primitive numeric types: u16 for u8, i32 for i16, f64 for f32, etc
• is_signed_trait - Trait for IS_SIGNED associated constant
• max_len_base_10_as_usize - Trait offering constant maximum lengths of primitive integers as usize
• min_max_traits - Traits for MIN and MAX associated constants
• as well as others that can be found on crates.io

License

<sup>Licensed under either of Apache License, Version 2.0 or MIT license at your option.</sup>

<sub>Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.</sub>