Add +compile-dispatch

At some point I probably should add a +recompile .. or something, I'm not sure
how the compile flow works in Emacs.

init.el

@@ -264,6 +264,8 @@
   (:option diary-file (private/ "diary")))
 
 (setup compile
+  (:require +compile)
+  (:+key "<f5>" #'+compile-dispatch)
   (:option compilation-always-kill t
            compilation-ask-about-save nil
            compilation-scroll-output t))

lisp/+compile.el

@@ -0,0 +1,19 @@
+;;; +compile.el --- Extras for compile -*- lexical-binding: t; -*-
+
+;;; Commentary:
+
+;;; Code:
+
+(defcustom +compile-function nil
+  "Function to run to \"compile\" a buffer."
+  :type 'function
+  :local t)
+
+(defun +compile-dispatch (&optional arg)
+  "Run `+compile-function', if bound, or `compile'.
+Any prefix ARG is passed to that function."
+  (interactive "P")
+  (call-interactively (or +compile-function #'compile)))
+
+(provide '+compile)
+;;; +compile.el ends here