UPDATE: Adds minimal generated documented functions (#22)

See #21

xlsx/Cargo.toml

@@ -34,3 +34,8 @@ path = "src/lib.rs"
 [[bin]]
 name = "test"
 path = "src/bin/test.rs"
+
+
+[[bin]]
+name = "documentation"
+path = "src/bin/documentation.rs"

xlsx/src/bin/documentation.rs

@@ -0,0 +1,17 @@
+//! Produces documentation of all the implemented IronCalc functions
+//! and saves the result to functions.md
+//!
+//! Usage: documentation
+
+use std::fs;
+
+use ironcalc_base::model::Model;
+
+fn main() {
+    let mut doc = Vec::new();
+    for function in Model::documentation() {
+        doc.push(function.name);
+    }
+    let data = doc.join("\n");
+    fs::write("functions.md", data).expect("Unable to write file");
+}