1 files changed, 45 insertions, 0 deletions

diff --git a/types/ltn12.d.tl b/types/ltn12.d.tl
new file mode 100644
index 00000000..cd2375fc
--- /dev/null
+++ b/types/ltn12.d.tl
@@ -0,0 +1,45 @@
+
+local record ltn12
+    type Filter = function(string): string, string
+    type Sink = function(string, string): boolean, string
+    type Source = function(): string, string
+ 
+    type FancySink = function(string, string): boolean, string | FancySink
+    type FancySource = function(): string, string | FancySource
+ 
+    -- Docs just say returns a truthy value on success
+    -- Since this value should really only be
+    -- used to check for truthiness, any seems fine here
+    type Pump = function(Source, Sink): any, string
+ 
+    record filter
+       chain: function(Filter, Filter, ...: Filter): Filter
+ 
+       cycle: function(string, string, any): Filter
+    end
+    record pump
+       all: Pump
+       step: Pump
+    end
+    record sink
+       chain: function(Filter, Sink): Sink
+       error: function(string): Sink
+       file: function(FILE, string): Sink
+       null: function(): Sink
+       simplify: function(FancySink): Sink
+       table: function({string}): Sink, {string}
+    end
+    record source
+       cat: function(Source, ...: Source): Source
+       chain: function(Source, Filter): Source
+       empty: function(): Source
+       error: function(string): Source
+       file: function(FILE): Source
+       file: function(FILE, string): Source
+       simplify: function(FancySource): Source
+       string: function(string): Source
+       table: function({string}): Source, {string}
+    end
+ end
+ 
+ return ltn12
\ No newline at end of file