# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1645026142 -3600
# Node ID 36d77cc56ecbf28f6d793a3a84b5e03b6cb19ef5
# Parent  6b70d1af1fe33167b25a825c93a3b0b90f27cd1b
util.set: Add teal type declaration file

diff -r 6b70d1af1fe3 -r 36d77cc56ecb teal-src/util/set.d.tl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/teal-src/util/set.d.tl	Wed Feb 16 16:42:22 2022 +0100
@@ -0,0 +1,21 @@
+local record lib
+	record Set<T>
+		add : function<T> (Set<T>, T)
+		contains : function<T> (Set<T>, T) : boolean
+		contains_set : function<T> (Set<T>, Set<T>) : boolean
+		items :  function<T> (Set<T>) : function<T> (Set<T>, T) : T
+		add_list : function<T> (Set<T>, { T })
+		include : function<T> (Set<T>, Set<T>)
+		exclude : function<T> (Set<T>, Set<T>)
+		empty : function<T> (Set<T>) : boolean
+	end
+
+	new : function<T> ({ T }) : Set<T>
+	is_set : function (any) : boolean
+	union : function<T> (Set<T>, Set<T>) : Set <T>
+	difference : function<T> (Set<T>, Set<T>) : Set <T>
+	intersection : function<T> (Set<T>, Set<T>) : Set <T>
+	xor : function<T> (Set<T>, Set<T>) : Set <T>
+end
+
+return lib