Dan Arnold

Replace cstr! macro with C-string literal syntax

1

Currently, in the renderer [there is a macro](https://github.com/alacritty/alacritty/blob/cacdb5bb3b72bad2c729227537979d95af75978f/alacritty/src/renderer/mod.rs#L36) called `cstr!` which is used to get a pointer to a string literal as a CStr. From : > Starting with Rust...

build error: no method named `is_empty` found for struct `UnboundedSender` in the current scope

2

**Problem** `UnboundedSender::is_empty` is [only present](https://github.com/rust-lang/futures-rs/commit/c801589d7ebbaf26394f3e1777b1d9125dd37ade) in >= `futures-channel-0.3.29`, but [is used by](https://github.com/DioxusLabs/dioxus/blob/20d146d9bd8fd5fe1c9aa63fd2e8b5b58ce4deec/packages/core/src/reactive_context.rs#L65) `dioxus-core` despite `dioxus` only [depending on](https://github.com/DioxusLabs/dioxus/blob/20d146d9bd8fd5fe1c9aa63fd2e8b5b58ce4deec/Cargo.toml#L119) `futures-channel-0.3.21`. If dioxus is used as a dependency in another project that...