Add CLI Width/Height validations

1 files changed, 5 insertions, 0 deletions

diff --git a/CLI/rust/src/game_of_life.rs b/CLI/rust/src/game_of_life.rs
index fffaa42..c854e7f 100644
--- a/CLI/rust/src/game_of_life.rs
+++ b/CLI/rust/src/game_of_life.rs
@@ -1,5 +1,8 @@
 use clap::{crate_authors, crate_version, App, Arg, ArgMatches, Error};
 
+/// Options module for validations and Opts struct
+pub(crate) mod opts;
+
 /// Define the Clap CLI for running Game of Life simulation
 ///
 /// Using Clap to define the available options that can be used with game of life
@@ -29,6 +32,7 @@ pub(crate) fn options() -> Result<ArgMatches, Error> {
                 .about("Specify the width of generated universe. [default: terminal width]")
                 .takes_value(true)
                 .long("width")
+                .validator(opts::validators::is_fitting_term_width)
                 .display_order(2)
         )
         .arg(
@@ -36,6 +40,7 @@ pub(crate) fn options() -> Result<ArgMatches, Error> {
                 .about("Specify the width of generated universe. [default: terminal height]")
                 .takes_value(true)
                 .long("height")
+                .validator(opts::validators::is_fitting_term_height)
                 .display_order(3)
         )
         .arg(