usage-lib 0.1.2

Library for working with usage specs
Documentation 
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pub use std::env::*;
use std::path::PathBuf;

use once_cell::sync::Lazy;

#[cfg(target_os = "macos")]
pub static USAGE_BIN: Lazy<PathBuf> = Lazy::new(|| {
    var_os("USAGE_BIN")
        .map(PathBuf::from)
        .or_else(|| current_exe().ok())
        .unwrap_or_else(|| "usage".into())
});

/// On linux, env::current_exe() follows symlinks which causes problems when updating the CLI.
#[cfg(not(target_os = "macos"))]
pub static USAGE_BIN: Lazy<PathBuf> = Lazy::new(|| {
    var_os("USAGE_BIN")
        .map(PathBuf::from)
        .unwrap_or_else(|| "usage".into())
});