Function dinghy_build::build_env::append_path_to_target_env

pub fn append_path_to_target_env<K: AsRef<OsStr>, R: AsRef<str>, V: AsRef<OsStr>>(
    k: K, 
    rustc_triple: Option<R>, 
    v: V
)

Append a value to a PATH-like (:-separated) environment variable taking target scoping rules into consideration.