Add a generic text-prompt system

Add a generic text-prompt system to the Game, and use it to prompt the
character for their name on startup. There's also a Promise type in
util, which is used for the result of the prompt.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/level_gen/util.rs b/src/level_gen/util.rs
index 89a4a6a882da..629292c430fa 100644
--- a/src/level_gen/util.rs
+++ b/src/level_gen/util.rs
@@ -13,6 +13,8 @@ pub fn falses(dims: &Dimensions) -> Vec<Vec<bool>> {
     ret
 }
 
+/// Randomly initialize a 2-dimensional boolean vector of the given
+/// `Dimensions`, using the given random number generator and alive chance
 pub fn rand_initialize<R: Rng + ?Sized>(
     dims: &Dimensions,
     rng: &mut R,