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Added syntax highlighting

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ajeffrey@roblox.com 2021-12-17 14:15:14 -06:00
parent 6c18e25241
commit 436ebff11c
1 changed files with 4 additions and 4 deletions
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8
rfcs/api-evolution.md
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@ -75,7 +75,7 @@ For a module's exports, we can make use of Luau's notion of *subtyping*. The bas
For example, if a module exports:
```
```lua
function pet() : Animal -- old version
function pet() : Cat -- new version
```
@ -83,7 +83,7 @@ For example, if a module exports:
then this is a minor change, since `() -> Cat` is a subtype of `() -> Animal`, but
if it also exports:
```
```lua
function adopt(a : Animal) -- old version
function adopt(c : Cat) -- new version
```
@ -142,14 +142,14 @@ As well as exported values, modules can export type aliases. For example:
These types are type aliases, and are treated *structurally* not
*nominally*, for example a user can write:
```
```lua
local p : Point = { x=5, y=8 }
local a : number = p.x + p.y
```
and since table types support [width subtyping](sealed-table-subtyping.md), users can add properties:
```
```lua
local q : Point = { x=5, y=8, z="hi" }
```