Expose supports_ansi (#489)

src/ansi_support.rs

@@ -50,6 +50,7 @@ lazy_static! {
     };
 }
 
+/// Checks if the current terminal supports ansi escape sequences
 pub fn supports_ansi() -> bool {
     *SUPPORTS_ANSI_ESCAPE_CODES
 }

src/lib.rs

@@ -250,7 +250,8 @@ pub mod tty;
 
 mod ansi;
 #[cfg(windows)]
-pub(crate) mod ansi_support;
+/// A module that exposes one function to check if the current terminal supports ansi sequences.
+pub mod ansi_support;
 mod command;
 mod error;
 pub(crate) mod macros;