introduce workspace

src/env.rs

@@ -1,15 +0,0 @@
-use std::env::var;
-
-use anyhow::{anyhow, Result};
-
-pub(crate) fn get_editor() -> Result<String> {
-    check_vars_in_order(&["EDITOR", "VISUAL"]).ok_or_else(|| anyhow!("could not find editor"))
-}
-
-fn check_vars_in_order(vars: &[&str]) -> Option<String> {
-    vars.iter().find_map(|v| var(v).ok())
-}
-
-pub(crate) fn get_single_var(variable: &str) -> Option<String> {
-    var(variable).ok()
-}