feat: add util_term

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rust_util"
-version = "0.6.17"
+version = "0.6.18"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
 description = "Hatter's Rust Util"

README.md

@@ -30,6 +30,8 @@ $ cargo run --example log
 
 ## Update Log
 
+* Nov 28, 2020 v0.6.18
+    * add util_term
 * Jun 21, 2020 v0.3.0
     * add struct `JoinFilesReader`
 

src/lib.rs

@@ -14,6 +14,7 @@ pub mod util_size;
 pub mod util_file;
 pub mod util_time;
 pub mod util_net;
+pub mod util_term;
 
 /// iff!(condition, result_when_true, result_when_false)
 #[macro_export] macro_rules! iff {

src/util_term.rs

@@ -0,0 +1,6 @@
+pub const RED:    &str = "\x1B[91m";
+pub const GREEN:  &str = "\x1B[92m";
+pub const YELLOW: &str = "\x1B[93m";
+pub const BOLD:   &str = "\x1B[1m";
+pub const UNDER:  &str = "\x1B[4m";
+pub const END:    &str = "\x1B[0m";