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EnvLookup

Trait EnvLookup 

Source
pub trait EnvLookup {
    // Required method
    fn var(&self, key: &str) -> Option<String>;
}

Required Methods§

Source

fn var(&self, key: &str) -> Option<String>

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§