util: Add Teal interface definition files Enables writing code in Teal that is aware of the interfaces and function prototypes in these other utils. Could also be used to do type checks on Lua sources, but this tends to have a lot of noise.

author: Kim Alvefur <zash@zash.se>
date: Tue, 09 Mar 2021 14:36:46 +0100
child: 11459:86904555bffc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/teal-src/util/hashes.d.tl	Tue Mar 09 14:36:46 2021 +0100
@@ -0,0 +1,21 @@
+local type hash = function (msg : string, hex : boolean) : string
+local type hmac = function (key : string, msg : string, hex : boolean) : string
+local type kdf = function (pass : string, salt : string, i : number) : string
+
+local record lib
+	sha1 : hash
+	sha256 : hash
+	sha224 : hash
+	sha384 : hash
+	sha512 : hash
+	md5 : hash
+	hmac_sha1 : hmac
+	hmac_sha256 : hmac
+	hmac_sha512 : hmac
+	hmac_md5 : hmac
+	scram_Hi_sha1 : kdf
+	pbkdf2_hmac_sha1 : kdf
+	pbkdf2_hmac_sha256 : kdf
+	version : string
+end
+return lib