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+# Export Keyword
+
+## Summary
+
+Allow users to export methods and values from their libraries through the use of the export keyword.
+
+## Motivation
+
+Users can export types from their libraries through the use of the export keyword.
+
+```luau
+export type Point = { x: number, y: number }
+```
+
+Consumers of these libraries are able to access exported types by indexing the libraries identifier.
+
+```luau
+local Library = require("Library")
+local point : Library.Point = { x = 0, y = 0 }
+```
+
+Right now, this is the only use of the export keyword but it would be great if we let users export more with it to offer more utility and make exporting library methods and values easier.
+
+## Design
+
+### Syntax
+You can prefix any non-local declaration with the export keyword in the top level scope of a module. For values this looks like:
+
+```luau
+export version = "5.1"
+```
+
+While methods use:
+
+```luau
+export function init()
+  -- do a thing
+end
+```
+
+### Behavior
+
+When a value or method is prefixed with export, it is automatically added to a hidden export table which is frozen as soon as the module returns.
+
+Take the following module:
+
+```luau
+export type Point = { x: number, y: number }
+
+export function distance(a: Point, b: Point)
+  local x, y = a.X - b.X, a.Y - b.Y
+  return math.sqrt(x * x + y * y)
+end
+```
+
+This essentially becomes sugar for:
+
+```luau
+local _EXT = {}
+
+type Point = { x: number, y: number }
+type _EXT.Point = Point -- note: this doesn't actually work today but one day it should
+
+local function distance(a: Point, b: Point)
+  local x, y = a.X - b.X, a.Y - b.Y
+  return math.sqrt(x * x + y * y)
+end
+_EXT.distance = distance
+
+return table.freeze(_EXT)
+```
+
+If the user attempts to assign to an exported identifier then we would throw an error explaining that the interface cannot be changed once it has been exported.
+
+### Nuances
+Due to the implementation, most things should "just-work". Here are some examples to consider:
+
+#### Calling an Exported Function
+You can call an exported function as it's registered as a local before being added to the export table.
+
+```luau
+export function distance(a: Point, b: Point)
+  local x, y = a.X - b.X, a.Y - b.Y
+  return math.sqrt(x * x + y * y)
+end
+
+distance({0, 0}, {1, 1})
+```
+
+#### Nested Tables
+You can export tables with additional values inside of them.
+
+```luau
+export triangle = {}
+
+function triangle.draw()
+
+end
+```
+
+Something important to note here is that the nested table, `triangle` is not frozen.
+
+#### Returns
+Today, you can use the export keyword along with a return statement at the end of your module. If you use the export keyword with a value however we will throw an error if you also attempt to return.
+
+```luau
+export function distance(a: Point, b: Point)
+  local x, y = a.X - b.X, a.Y - b.Y
+  return math.sqrt(x * x + y * y)
+end
+
+return table.freeze {
+  distance = distance
+}
+```
+
+## Drawbacks
+The keyword already exists for types so there's not much cost in us adding support to values. The main drawback is that it's another way to do module exports. We already have a way to do that, do we really need another?
+
+## Alternatives
+
+### Do Nothing
+It's already possible to export values from modules using a return statement. We don't actually need to do this, it's more of a nice-to-have.
+
+### Automatically Export Globals
+Luau has a separate global scope for each module rather than a shared global scope across the entire program. We could automatically export any values that are stored in the global scope. This isn't backwards compatible though, we'd likely need a new import mechanism to resolve this.
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