take-if

A tiny utility for conditionally taking the contents from an [Option]. See also [Option::take].

```rust use take_if::TakeIf;

let mut maybe_greeting = Some("Hello, World!");

if let Some(greeting) = maybegreeting.takeif(|greeting| greeting.starts_with("Hello")) { println!(r#"Greeting {:?} starts with "Hello""#, greeting); } else { println!(r#"There was no greeting, or it didn't start with "Hello""#); } ```

Usage

Add take-if to your Cargo.toml:

toml [dependencies] take-if = "1.0.0"

Import the TakeIf trait in your modules to add the take_if method to Option:

```rust use take_if::TakeIf;

let taken = maybevalue.takeif(|value| value.id == 5); ```