diff options
Diffstat (limited to 'doc/codegen.md')
| -rw-r--r-- | doc/codegen.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/codegen.md b/doc/codegen.md index 02406fae82..65f12f4875 100644 --- a/doc/codegen.md +++ b/doc/codegen.md @@ -6,7 +6,7 @@ Every type has a "handle". If a type is a simple primitive type such as i32 or f64, the handle is "by value", meaning that we pass around the value itself when we refer to a value of that type. -If a type is a container, error union, maybe type, slice, or array, then its +If a type is a container, error union, optional type, slice, or array, then its handle is a pointer, and everywhere we refer to a value of this type we refer to a pointer. @@ -19,7 +19,7 @@ Error union types are represented as: payload: T, } -Maybe types are represented as: +Optional types are represented as: struct { payload: T, @@ -28,6 +28,6 @@ Maybe types are represented as: ## Data Optimizations -Maybe pointer types are special: the 0x0 pointer value is used to represent a -null pointer. Thus, instead of the struct above, maybe pointer types are +Optional pointer types are special: the 0x0 pointer value is used to represent a +null pointer. Thus, instead of the struct above, optional pointer types are represented as a `usize` in codegen and the handle is by value. |